Add online content repository

Replaces mods and texture pack tabs with a single content tab

46 files changed, 1685 insertions, 849 deletions

diff --git a/build/android/jni/Android.mk b/build/android/jni/Android.mk
index a4e55eaa9..c19fcb747 100644
--- a/build/android/jni/Android.mk
+++ b/build/android/jni/Android.mk
@@ -130,6 +130,9 @@ LOCAL_SRC_FILES := \
 		jni/src/content_mapnode.cpp               \
 		jni/src/content_nodemeta.cpp              \
 		jni/src/content_sao.cpp                   \
+		jni/src/content/contentdb.cpp             \
+		jni/src/content/mods.cpp                  \
+		jni/src/content/subgames.cpp              \
 		jni/src/convert_json.cpp                  \
 		jni/src/craftdef.cpp                      \
 		jni/src/database/database-dummy.cpp       \
@@ -198,7 +201,6 @@ LOCAL_SRC_FILES := \
 		jni/src/mapgen/mg_ore.cpp                 \
 		jni/src/mapgen/mg_schematic.cpp           \
 		jni/src/minimap.cpp                       \
-		jni/src/mods.cpp                          \
 		jni/src/modchannels.cpp                   \
 		jni/src/nameidmapping.cpp                 \
 		jni/src/nodedef.cpp                       \
@@ -229,7 +231,6 @@ LOCAL_SRC_FILES := \
 		jni/src/shader.cpp                        \
 		jni/src/sky.cpp                           \
 		jni/src/staticobject.cpp                  \
-		jni/src/subgame.cpp                       \
 		jni/src/tileanimation.cpp                 \
 		jni/src/translation.cpp                   \
 		jni/src/tool.cpp                          \
diff --git a/builtin/common/filterlist.lua b/builtin/common/filterlist.lua
index 562231192..1ba1d8741 100644
--- a/builtin/common/filterlist.lua
+++ b/builtin/common/filterlist.lua
@@ -47,17 +47,17 @@ function filterlist.create(raw_fct,compare_fct,uid_match_fct,filter_fct,fetch_pa
 
 	assert((raw_fct ~= nil) and (type(raw_fct) == "function"))
 	assert((compare_fct ~= nil) and (type(compare_fct) == "function"))
-	
+
 	local self = {}
-	
+
 	self.m_raw_list_fct  = raw_fct
 	self.m_compare_fct   = compare_fct
 	self.m_filter_fct    = filter_fct
 	self.m_uid_match_fct = uid_match_fct
-	
+
 	self.m_filtercriteria = nil
 	self.m_fetch_param = fetch_param
-	
+
 	self.m_sortmode = "none"
 	self.m_sort_list = {}
 
@@ -79,7 +79,7 @@ function filterlist.create(raw_fct,compare_fct,uid_match_fct,filter_fct,fetch_pa
 	self.refresh            = filterlist.refresh
 
 	filterlist.process(self)
-	
+
 	return self
 end
 
@@ -128,49 +128,49 @@ function filterlist.get_raw_element(self,idx)
 	if type(idx) ~= "number" then
 		idx = tonumber(idx)
 	end
-	
+
 	if idx ~= nil and idx > 0 and idx <= #self.m_raw_list then
 		return self.m_raw_list[idx]
 	end
-	
+
 	return nil
 end
 
 --------------------------------------------------------------------------------
 function filterlist.get_raw_index(self,listindex)
 	assert(self.m_processed_list ~= nil)
-	
+
 	if listindex ~= nil and listindex > 0 and
 		listindex <= #self.m_processed_list then
 		local entry = self.m_processed_list[listindex]
-		
+
 		for i,v in ipairs(self.m_raw_list) do
-		
+
 			if self.m_compare_fct(v,entry) then
 				return i
 			end
 		end
 	end
-	
+
 	return 0
 end
 
 --------------------------------------------------------------------------------
 function filterlist.get_current_index(self,listindex)
 	assert(self.m_processed_list ~= nil)
-	
+
 	if listindex ~= nil and listindex > 0 and
 		listindex <= #self.m_raw_list then
 		local entry = self.m_raw_list[listindex]
-		
+
 		for i,v in ipairs(self.m_processed_list) do
-		
+
 			if self.m_compare_fct(v,entry) then
 				return i
 			end
 		end
 	end
-	
+
 	return 0
 end
 
@@ -183,23 +183,23 @@ function filterlist.process(self)
 		self.m_processed_list = self.m_raw_list
 		return
 	end
-	
+
 	self.m_processed_list = {}
-	
+
 	for k,v in pairs(self.m_raw_list) do
 		if self.m_filtercriteria == nil or
 			self.m_filter_fct(v,self.m_filtercriteria) then
 			self.m_processed_list[#self.m_processed_list + 1] = v
 		end
 	end
-	
+
 	if self.m_sortmode == "none" then
 		return
 	end
-	
+
 	if self.m_sort_list[self.m_sortmode] ~= nil and
 		type(self.m_sort_list[self.m_sortmode]) == "function" then
-		
+
 		self.m_sort_list[self.m_sortmode](self)
 	end
 end
@@ -209,7 +209,7 @@ function filterlist.size(self)
 	if self.m_processed_list == nil then
 		return 0
 	end
-	
+
 	return #self.m_processed_list
 end
 
@@ -233,8 +233,8 @@ function filterlist.raw_index_by_uid(self, uid)
 			elementidx = i
 		end
 	end
-	
-	
+
+
 	-- If there are more elements than one with same name uid can't decide which
 	-- one is meant. self shouldn't be possible but just for sure.
 	if elementcount > 1 then
@@ -254,11 +254,11 @@ function compare_worlds(world1,world2)
 	if world1.path ~= world2.path then
 		return false
 	end
-	
+
 	if world1.name ~= world2.name then
 		return false
 	end
-	
+
 	if world1.gameid ~= world2.gameid then
 		return false
 	end
@@ -288,11 +288,11 @@ function sort_mod_list(self)
 
 	table.sort(self.m_processed_list, function(a, b)
 		-- Show game mods at bottom
-		if a.typ ~= b.typ then
-			if b.typ == "game" then	
-				return a.typ ~= "game_mod"
+		if a.type ~= b.type or a.loc ~= b.loc then
+			if b.type == "game" then
+				return a.loc ~= "game"
 			end
-			return b.typ == "game_mod"
+			return b.loc == "game"
 		end
 		-- If in same or no modpack, sort by name
 		if a.modpack == b.modpack then
@@ -308,7 +308,7 @@ function sort_mod_list(self)
 			elseif b.name == a.modpack then
 				return false
 			end
-			
+
 			local name_a = a.modpack or a.name
 			local name_b = b.modpack or b.name
 			if name_a:lower() == name_b:lower() then
diff --git a/builtin/common/misc_helpers.lua b/builtin/common/misc_helpers.lua
index aa118b443..43a6dda48 100644
--- a/builtin/common/misc_helpers.lua
+++ b/builtin/common/misc_helpers.lua
@@ -551,6 +551,16 @@ function table.copy(t, seen)
 	end
 	return n
 end
+
+
+function table.insert_all(t, other)
+	for i=1, #other do
+		t[#t + 1] = other[i]
+	end
+	return t
+end
+
+
 --------------------------------------------------------------------------------
 -- mainmenu only functions
 --------------------------------------------------------------------------------
diff --git a/builtin/mainmenu/common.lua b/builtin/mainmenu/common.lua
index 7eb941775..7c0cbae4d 100644
--- a/builtin/mainmenu/common.lua
+++ b/builtin/mainmenu/common.lua
@@ -41,7 +41,7 @@ local function render_client_count(n)
 end
 
 local function configure_selected_world_params(idx)
-	local worldconfig = modmgr.get_worldconfig(menudata.worldlist:get_list()[idx].path)
+	local worldconfig = pkgmgr.get_worldconfig(menudata.worldlist:get_list()[idx].path)
 	if worldconfig.creative_mode then
 		core.settings:set("creative_mode", worldconfig.creative_mode)
 	end
diff --git a/builtin/mainmenu/dlg_config_world.lua b/builtin/mainmenu/dlg_config_world.lua
index fcedadea8..33c5d9bba 100644
--- a/builtin/mainmenu/dlg_config_world.lua
+++ b/builtin/mainmenu/dlg_config_world.lua
@@ -35,7 +35,7 @@ local function get_formspec(data)
 		mod = {name=""}
 	end
 
-	local hard_deps, soft_deps = modmgr.get_dependencies(mod.path)
+	local hard_deps, soft_deps = pkgmgr.get_dependencies(mod.path)
 
 	retval = retval ..
 		"label[0,0.7;" .. fgettext("Mod:") .. "]" ..
@@ -88,7 +88,7 @@ local function get_formspec(data)
 	retval = retval ..
 		"tablecolumns[color;tree;text]" ..
 		"table[5.5,0.75;5.75,6;world_config_modlist;"
-	retval = retval .. modmgr.render_modlist(data.list)
+	retval = retval .. pkgmgr.render_packagelist(data.list)
 	retval = retval .. ";" .. data.selected_mod .."]"
 
 	return retval
@@ -237,7 +237,7 @@ function create_configure_world_dlg(worldidx)
 	dlg.data.worldspec = core.get_worlds()[worldidx]
 	if dlg.data.worldspec == nil then dlg:delete() return nil end
 
-	dlg.data.worldconfig = modmgr.get_worldconfig(dlg.data.worldspec.path)
+	dlg.data.worldconfig = pkgmgr.get_worldconfig(dlg.data.worldspec.path)
 
 	if dlg.data.worldconfig == nil or dlg.data.worldconfig.id == nil or
 			dlg.data.worldconfig.id == "" then
@@ -247,8 +247,8 @@ function create_configure_world_dlg(worldidx)
 	end
 
 	dlg.data.list = filterlist.create(
-			modmgr.preparemodlist, --refresh
-			modmgr.comparemod, --compare
+			pkgmgr.preparemodlist, --refresh
+			pkgmgr.comparemod, --compare
 			function(element,uid) --uid match
 					if element.name == uid then
 						return true
diff --git a/builtin/mainmenu/dlg_contentstore.lua b/builtin/mainmenu/dlg_contentstore.lua
new file mode 100644
index 000000000..2e9b90cf4
--- /dev/null
+++ b/builtin/mainmenu/dlg_contentstore.lua
@@ -0,0 +1,451 @@
+--Minetest
+--Copyright (C) 2018 rubenwardy
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU Lesser General Public License as published by
+--the Free Software Foundation; either version 2.1 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--GNU Lesser General Public License for more details.
+--
+--You should have received a copy of the GNU Lesser General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+local function download_package(param)
+	if core.download_file(param.package.url, param.filename) then
+		return {
+			package = param.package,
+			filename = param.filename,
+			successful = true,
+		}
+	else
+		core.log("error", "downloading " .. dump(param.package.url) .. " failed")
+		return {
+			package = param.package,
+			successful = false,
+		}
+	end
+end
+
+local function start_install(calling_dialog, package)
+	local params = {
+		package = package,
+		filename = os.tempfolder() .. "_MODNAME_" .. package.name .. ".zip",
+	}
+
+	local function callback(result)
+		if result.successful then
+			local path, msg = pkgmgr.install(result.package.type, result.filename, result.package.name)
+			if not path then
+				gamedata.errormessage = msg
+			else
+				local conf_path
+				local name_is_title = false
+				if result.package.type == "mod" then
+					conf_path = path .. DIR_DELIM .. "mod.conf"
+				elseif result.package.type == "game" then
+					conf_path = path .. DIR_DELIM .. "game.conf"
+					name_is_title = true
+				elseif result.package.type == "txp" then
+					conf_path = path .. DIR_DELIM .. "texture_pack.conf"
+				end
+
+				if conf_path then
+					local conf = Settings(conf_path)
+					local function set_def(key, value)
+						if conf:get(key) == nil then
+							conf:set(key, value)
+						end
+					end
+					if name_is_title then
+						set_def("name",    result.package.title)
+					else
+						set_def("title",   result.package.title)
+						set_def("name",    result.package.name)
+					end
+					set_def("description", result.package.short_description)
+					set_def("author",      result.package.author)
+					conf:write()
+				end
+			end
+			os.remove(result.filename)
+		else
+			gamedata.errormessage = fgettext("Failed to download $1", package.name)
+		end
+
+		if gamedata.errormessage == nil then
+			core.button_handler({btn_hidden_close_download=result})
+		else
+			core.button_handler({btn_hidden_close_download={successful=false}})
+		end
+	end
+
+	if not core.handle_async(download_package, params, callback) then
+		minetest.log("error", "ERROR: async event failed")
+		gamedata.errormessage = fgettext("Failed to download $1", package.name)
+	end
+
+	local new_dlg = dialog_create("store_downloading",
+		function(data)
+			return "size[7,2]label[0.25,0.75;" ..
+				fgettext("Downloading and installing $1, please wait...", data.title) .. "]"
+		end,
+		function(this,fields)
+			if fields["btn_hidden_close_download"] ~= nil then
+				this:delete()
+				return true
+			end
+
+			return false
+		end,
+		nil)
+
+	new_dlg:set_parent(calling_dialog)
+	new_dlg.data.title = package.title
+	calling_dialog:hide()
+	new_dlg:show()
+end
+
+
+local package_dialog = {}
+
+function package_dialog.get_formspec()
+	local package = package_dialog.package
+
+	local formspec = {
+		"size[8,4;true]",
+		"label[2.5,0.2;", core.formspec_escape(package.title), "]",
+		"label[0,1;", core.formspec_escape(package.short_description), "]",
+		"button[0,0;2,1;back;", fgettext("Back"), "]",
+		"button[6,0;2,1;install;", fgettext("Install"), "]",
+	}
+
+	-- TODO: screenshots
+
+	return table.concat(formspec, "")
+end
+
+function package_dialog.handle_submit(this, fields, tabname, tabdata)
+	if fields.back then
+		this:delete()
+		return true
+	end
+
+	if fields.install then
+		start_install(package_dialog.package)
+		return true
+	end
+
+	return false
+end
+
+function package_dialog.create(package)
+	package_dialog.package = package
+	return dialog_create("package_view",
+		package_dialog.get_formspec,
+		package_dialog.handle_submit,
+		nil)
+end
+
+
+
+
+local store = {}
+local search_string = ""
+local cur_page = 1
+local num_per_page = 5
+local filter_type = 1
+local filter_types_titles = {
+	fgettext("All packages"),
+	fgettext("Games"),
+	fgettext("Mods"),
+	fgettext("Texture packs"),
+}
+
+local filter_types_type = {
+	nil,
+	"game",
+	"mod",
+	"txp",
+}
+
+function store.load()
+	store.packages_full = core.get_package_list()
+	store.packages = store.packages_full
+	store.loaded = true
+end
+
+function store.update_paths()
+	local mod_hash = {}
+	pkgmgr.refresh_globals()
+	for _, mod in pairs(pkgmgr.global_mods:get_list()) do
+		mod_hash[mod.name] = mod
+	end
+
+	local game_hash = {}
+	pkgmgr.update_gamelist()
+	for _, game in pairs(pkgmgr.games) do
+		game_hash[game.id] = game
+	end
+
+	local txp_hash = {}
+	for _, txp in pairs(pkgmgr.get_texture_packs()) do
+		txp_hash[txp.name] = txp
+	end
+
+	for _, package in pairs(store.packages_full) do
+		local content
+		if package.type == "mod" then
+			content = mod_hash[package.name]
+		elseif package.type == "game" then
+			content = game_hash[package.name]
+		elseif package.type == "txp" then
+			content = txp_hash[package.name]
+		end
+
+		if content and content.author == package.author then
+			package.path = content.path
+		else
+			package.path = nil
+		end
+	end
+end
+
+function store.filter_packages(query)
+	if query == "" and filter_type == 1 then
+		store.packages = store.packages_full
+		return
+	end
+
+	local keywords = {}
+	for word in query:lower():gmatch("%S+") do
+		table.insert(keywords, word)
+	end
+
+	local function matches_keywords(package, keywords)
+		for k = 1, #keywords do
+			local keyword = keywords[k]
+
+			if string.find(package.name:lower(), keyword, 1, true) or
+					string.find(package.title:lower(), keyword, 1, true) or
+					string.find(package.author:lower(), keyword, 1, true) or
+					string.find(package.short_description:lower(), keyword, 1, true) then
+				return true
+			end
+		end
+
+		return false
+	end
+
+	store.packages = {}
+	for _, package in pairs(store.packages_full) do
+		if (query == "" or matches_keywords(package, keywords)) and
+				(filter_type == 1 or package.type == filter_types_type[filter_type]) then
+			store.packages[#store.packages + 1] = package
+		end
+	end
+
+end
+
+function store.get_formspec()
+	assert(store.loaded)
+
+	store.update_paths()
+
+	local pages = math.ceil(#store.packages / num_per_page)
+	if cur_page > pages then
+		cur_page = 1
+	end
+
+	local formspec = {
+		"size[12,6.5;true]",
+		"field[0.3,0.1;10.2,1;search_string;;", core.formspec_escape(search_string), "]",
+		"field_close_on_enter[search_string;false]",
+		"button[10.2,-0.2;2,1;search;", fgettext("Search"), "]",
+		"dropdown[0,1;2.4;type;",
+		table.concat(filter_types_titles, ","),
+		";",
+		filter_type,
+		"]",
+		-- "textlist[0,1;2.4,5.6;a;",
+		-- table.concat(taglist, ","),
+		-- "]"
+	}
+
+	local start_idx = (cur_page - 1) * num_per_page + 1
+	for i=start_idx, math.min(#store.packages, start_idx+num_per_page-1) do
+		local package = store.packages[i]
+		formspec[#formspec + 1] = "container[3,"
+		formspec[#formspec + 1] = i - start_idx + 1
+		formspec[#formspec + 1] = "]"
+
+		-- image
+		formspec[#formspec + 1] = "image[-0.4,0;1.5,1;"
+		formspec[#formspec + 1] = defaulttexturedir
+		formspec[#formspec + 1] = "no_screenshot.png"
+		formspec[#formspec + 1] = "]"
+
+		-- title
+		formspec[#formspec + 1] = "label[1,0;"
+		formspec[#formspec + 1] = core.formspec_escape(package.title ..
+				" by " .. package.author)
+		formspec[#formspec + 1] = "]"
+
+		-- description
+		local short = package.short_description
+		if #short > 60 then
+			short = short:sub(1, 59) .. "…"
+		end
+		formspec[#formspec + 1] = "label[1,0.3;"
+		formspec[#formspec + 1] = core.formspec_escape(short)
+		formspec[#formspec + 1] = "]"
+
+		-- buttons
+		if package.path then
+			formspec[#formspec + 1] = "button[6,0;1.5,1;uninstall_"
+			formspec[#formspec + 1] = tostring(i)
+			formspec[#formspec + 1] = ";"
+			formspec[#formspec + 1] = fgettext("Uninstall")
+			formspec[#formspec + 1] = "]"
+		else
+			formspec[#formspec + 1] = "button[6,0;1.5,1;install_"
+			formspec[#formspec + 1] = tostring(i)
+			formspec[#formspec + 1] = ";"
+			formspec[#formspec + 1] = fgettext("Install")
+			formspec[#formspec + 1] = "]"
+		end
+		formspec[#formspec + 1] = "button[7.5,0;1.5,1;view_"
+		formspec[#formspec + 1] = tostring(i)
+		formspec[#formspec + 1] = ";"
+		formspec[#formspec + 1] = fgettext("View")
+		formspec[#formspec + 1] = "]"
+
+		formspec[#formspec + 1] = "container_end[]"
+	end
+
+	formspec[#formspec + 1] = "container[0,"
+	formspec[#formspec + 1] = num_per_page + 1
+	formspec[#formspec + 1] = "]"
+	formspec[#formspec + 1] = "button[2.6,0;3,1;back;"
+	formspec[#formspec + 1] = fgettext("Back to Main Menu")
+	formspec[#formspec + 1] = "]"
+	formspec[#formspec + 1] = "button[7,0;1,1;pstart;<<]"
+	formspec[#formspec + 1] = "button[8,0;1,1;pback;<]"
+	formspec[#formspec + 1] = "label[9.2,0.2;"
+	formspec[#formspec + 1] = tonumber(cur_page)
+	formspec[#formspec + 1] = " / "
+	formspec[#formspec + 1] = tonumber(pages)
+	formspec[#formspec + 1] = "]"
+	formspec[#formspec + 1] = "button[10,0;1,1;pnext;>]"
+	formspec[#formspec + 1] = "button[11,0;1,1;pend;>>]"
+	formspec[#formspec + 1] = "container_end[]"
+
+	formspec[#formspec + 1] = "]"
+	return table.concat(formspec, "")
+end
+
+function store.handle_submit(this, fields, tabname, tabdata)
+	if fields.search or fields.key_enter_field == "search_string" then
+		search_string = fields.search_string:trim()
+		cur_page = 1
+		store.filter_packages(search_string)
+		core.update_formspec(store.get_formspec())
+		return true
+	end
+
+	if fields.back then
+		this:delete()
+		return true
+	end
+
+	if fields.pstart then
+		cur_page = 1
+		core.update_formspec(store.get_formspec())
+		return true
+	end
+
+	if fields.pend then
+		cur_page = math.ceil(#store.packages / num_per_page)
+		core.update_formspec(store.get_formspec())
+		return true
+	end
+
+	if fields.pnext then
+		cur_page = cur_page + 1
+		local pages = math.ceil(#store.packages / num_per_page)
+		if cur_page > pages then
+			cur_page = 1
+		end
+		core.update_formspec(store.get_formspec())
+		return true
+	end
+
+	if fields.pback then
+		if cur_page == 1 then
+			local pages = math.ceil(#store.packages / num_per_page)
+			cur_page = pages
+		else
+			cur_page = cur_page - 1
+		end
+		core.update_formspec(store.get_formspec())
+		return true
+	end
+
+	if fields.type then
+		local new_type = table.indexof(filter_types_titles, fields.type)
+		if new_type ~= filter_type then
+			filter_type = new_type
+			store.filter_packages(search_string)
+			return true
+		end
+	end
+
+	local start_idx = (cur_page - 1) * num_per_page + 1
+	assert(start_idx ~= nil)
+	for i=start_idx, math.min(#store.packages, start_idx+num_per_page-1) do
+		local package = store.packages[i]
+		assert(package)
+
+		if fields["install_" .. i] then
+			start_install(this, package)
+			return true
+		end
+
+		if fields["uninstall_" .. i] then
+			local dlg_delmod = create_delete_content_dlg(package)
+			dlg_delmod:set_parent(this)
+			this:hide()
+			dlg_delmod:show()
+			return true
+		end
+
+		if fields["view_" .. i] then
+			local dlg = package_dialog.create(package)
+			dlg:set_parent(this)
+			this:hide()
+			dlg:show()
+			return true
+		end
+	end
+
+	return false
+end
+
+function create_store_dlg(type)
+	if not store.loaded then
+		store.load()
+	end
+
+	search_string = ""
+	cur_page = 1
+	store.filter_packages(search_string)
+
+	return dialog_create("store",
+			store.get_formspec,
+			store.handle_submit,
+			nil)
+end
diff --git a/builtin/mainmenu/dlg_create_world.lua b/builtin/mainmenu/dlg_create_world.lua
index 134eeebc1..968b1fc74 100644
--- a/builtin/mainmenu/dlg_create_world.lua
+++ b/builtin/mainmenu/dlg_create_world.lua
@@ -26,7 +26,7 @@ local function create_world_formspec(dialogdata)
 
 	local game, gameidx = nil , 0
 	if gameid ~= nil then
-		game, gameidx = gamemgr.find_by_gameid(gameid)
+		game, gameidx = pkgmgr.find_by_gameid(gameid)
 		
 		if gameidx == nil then
 			gameidx = 0
@@ -77,17 +77,17 @@ local function create_world_formspec(dialogdata)
 		"dropdown[4.2,2;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
 
 		"label[2,3;" .. fgettext("Game") .. "]"..
-		"textlist[4.2,3;5.8,2.3;games;" .. gamemgr.gamelist() ..
+		"textlist[4.2,3;5.8,2.3;games;" .. pkgmgr.gamelist() ..
 		";" .. gameidx .. ";true]" ..
 
 		"button[3.25,6;2.5,0.5;world_create_confirm;" .. fgettext("Create") .. "]" ..
 		"button[5.75,6;2.5,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
 		
-	if #gamemgr.games == 0 then
+	if #pkgmgr.games == 0 then
 		retval = retval .. "box[2,4;8,1;#ff8800]label[2.25,4;" ..
 				fgettext("You have no games installed.") .. "]label[2.25,4.4;" ..
 				fgettext("Download one from minetest.net") .. "]"
-	elseif #gamemgr.games == 1 and gamemgr.games[1].id == "minimal" then
+	elseif #pkgmgr.games == 1 and pkgmgr.games[1].id == "minimal" then
 		retval = retval .. "box[1.75,4;8.7,1;#ff8800]label[2,4;" ..
 				fgettext("Warning: The minimal development test is meant for developers.") .. "]label[2,4.4;" ..
 				fgettext("Download a game, such as minetest_game, from minetest.net") .. "]"
@@ -125,10 +125,10 @@ local function create_world_buttonhandler(this, fields)
 			if message ~= nil then
 				gamedata.errormessage = message
 			else
-				core.settings:set("menu_last_game",gamemgr.games[gameindex].id)
+				core.settings:set("menu_last_game",pkgmgr.games[gameindex].id)
 				if this.data.update_worldlist_filter then
-					menudata.worldlist:set_filtercriteria(gamemgr.games[gameindex].id)
-					mm_texture.update("singleplayer", gamemgr.games[gameindex].id)
+					menudata.worldlist:set_filtercriteria(pkgmgr.games[gameindex].id)
+					mm_texture.update("singleplayer", pkgmgr.games[gameindex].id)
 				end
 				menudata.worldlist:refresh()
 				core.settings:set("mainmenu_last_selected_world",
@@ -145,7 +145,7 @@ local function create_world_buttonhandler(this, fields)
 
 	if fields["games"] then
 		local gameindex = core.get_textlist_index("games")
-		core.settings:set("menu_last_game", gamemgr.games[gameindex].id)
+		core.settings:set("menu_last_game", pkgmgr.games[gameindex].id)
 		return true
 	end
 
diff --git a/builtin/mainmenu/dlg_delete_mod.lua b/builtin/mainmenu/dlg_delete_content.lua
index 2efd70414..8bc80b103 100644
--- a/builtin/mainmenu/dlg_delete_mod.lua
+++ b/builtin/mainmenu/dlg_delete_content.lua
@@ -17,39 +17,38 @@
 
 --------------------------------------------------------------------------------
 
-local function delete_mod_formspec(dialogdata)
-	
-	dialogdata.mod = modmgr.global_mods:get_list()[dialogdata.selected]
-
+local function delete_content_formspec(dialogdata)
 	local retval =
 		"size[11.5,4.5,true]" ..
 		"label[2,2;" ..
-		fgettext("Are you sure you want to delete \"$1\"?", dialogdata.mod.name) .. "]"..
-		"button[3.25,3.5;2.5,0.5;dlg_delete_mod_confirm;" .. fgettext("Delete") .. "]" ..
-		"button[5.75,3.5;2.5,0.5;dlg_delete_mod_cancel;" .. fgettext("Cancel") .. "]"
-	
+		fgettext("Are you sure you want to delete \"$1\"?", dialogdata.content.name) .. "]"..
+		"button[3.25,3.5;2.5,0.5;dlg_delete_content_confirm;" .. fgettext("Delete") .. "]" ..
+		"button[5.75,3.5;2.5,0.5;dlg_delete_content_cancel;" .. fgettext("Cancel") .. "]"
+
 	return retval
 end
 
 --------------------------------------------------------------------------------
-local function delete_mod_buttonhandler(this, fields)
-	if fields["dlg_delete_mod_confirm"] ~= nil then
+local function delete_content_buttonhandler(this, fields)
+	if fields["dlg_delete_content_confirm"] ~= nil then
 
-		if this.data.mod.path ~= nil and
-			this.data.mod.path ~= "" and
-			this.data.mod.path ~= core.get_modpath() then
-			if not core.delete_dir(this.data.mod.path) then
-				gamedata.errormessage = fgettext("Modmgr: failed to delete \"$1\"", this.data.mod.path)
+		if this.data.content.path ~= nil and
+				this.data.content.path ~= "" and
+				this.data.content.path ~= core.get_modpath() and
+				this.data.content.path ~= core.get_gamepath() and
+				this.data.content.path ~= core.get_texturepath() then
+			if not core.delete_dir(this.data.content.path) then
+				gamedata.errormessage = fgettext("pkgmgr: failed to delete \"$1\"", this.data.content.path)
 			end
-			modmgr.refresh_globals()
+			pkgmgr.refresh_globals()
 		else
-			gamedata.errormessage = fgettext("Modmgr: invalid modpath \"$1\"", this.data.mod.path)
+			gamedata.errormessage = fgettext("pkgmgr: invalid path \"$1\"", this.data.content.path)
 		end
 		this:delete()
 		return true
 	end
-	
-	if fields["dlg_delete_mod_cancel"] then
+
+	if fields["dlg_delete_content_cancel"] then
 		this:delete()
 		return true
 	end
@@ -58,12 +57,13 @@ local function delete_mod_buttonhandler(this, fields)
 end
 
 --------------------------------------------------------------------------------
-function create_delete_mod_dlg(selected_index)
+function create_delete_content_dlg(content)
+	assert(content.name)
 
-	local retval = dialog_create("dlg_delete_mod",
-					delete_mod_formspec,
-					delete_mod_buttonhandler,
+	local retval = dialog_create("dlg_delete_content",
+					delete_content_formspec,
+					delete_content_buttonhandler,
 					nil)
-	retval.data.selected = selected_index
+	retval.data.content = content
 	return retval
 end
diff --git a/builtin/mainmenu/dlg_rename_modpack.lua b/builtin/mainmenu/dlg_rename_modpack.lua
index 959c65d9b..2b383993f 100644
--- a/builtin/mainmenu/dlg_rename_modpack.lua
+++ b/builtin/mainmenu/dlg_rename_modpack.lua
@@ -18,8 +18,8 @@
 --------------------------------------------------------------------------------
 
 local function rename_modpack_formspec(dialogdata)
-	
-	dialogdata.mod = modmgr.global_mods:get_list()[dialogdata.selected]
+
+	dialogdata.mod = pkgmgr.global_mods:get_list()[dialogdata.selected]
 
 	local retval =
 		"size[11.5,4.5,true]" ..
@@ -29,7 +29,7 @@ local function rename_modpack_formspec(dialogdata)
 				fgettext("Accept") .. "]" ..
 		"button[5.75,3.5;2.5,0.5;dlg_rename_modpack_cancel;"..
 				fgettext("Cancel") .. "]"
-	
+
 	return retval
 end
 
@@ -39,14 +39,14 @@ local function rename_modpack_buttonhandler(this, fields)
 		local oldpath = core.get_modpath() .. DIR_DELIM .. this.data.mod.name
 		local targetpath = core.get_modpath() .. DIR_DELIM .. fields["te_modpack_name"]
 		core.copy_dir(oldpath,targetpath,false)
-		modmgr.refresh_globals()
-		modmgr.selected_mod = modmgr.global_mods:get_current_index(
-			modmgr.global_mods:raw_index_by_uid(fields["te_modpack_name"]))
-			
+		pkgmgr.refresh_globals()
+		pkgmgr.selected_mod = pkgmgr.global_mods:get_current_index(
+			pkgmgr.global_mods:raw_index_by_uid(fields["te_modpack_name"]))
+
 		this:delete()
 		return true
 	end
-	
+
 	if fields["dlg_rename_modpack_cancel"] then
 		this:delete()
 		return true
diff --git a/builtin/mainmenu/dlg_settings_advanced.lua b/builtin/mainmenu/dlg_settings_advanced.lua
index 7d524eb80..2e6617aa7 100644
--- a/builtin/mainmenu/dlg_settings_advanced.lua
+++ b/builtin/mainmenu/dlg_settings_advanced.lua
@@ -338,7 +338,7 @@ local function parse_config_file(read_all, parse_mods)
 		-- Parse games
 		local games_category_initialized = false
 		local index = 1
-		local game = gamemgr.get_game(index)
+		local game = pkgmgr.get_game(index)
 		while game do
 			local path = game.path .. DIR_DELIM .. FILENAME
 			local file = io.open(path, "r")
@@ -365,7 +365,7 @@ local function parse_config_file(read_all, parse_mods)
 			end
 
 			index = index + 1
-			game = gamemgr.get_game(index)
+			game = pkgmgr.get_game(index)
 		end
 
 		-- Parse mods
diff --git a/builtin/mainmenu/gamemgr.lua b/builtin/mainmenu/gamemgr.lua
deleted file mode 100644
index fd6025fcd..000000000
--- a/builtin/mainmenu/gamemgr.lua
+++ /dev/null
@@ -1,83 +0,0 @@
---Minetest
---Copyright (C) 2013 sapier
---
---This program is free software; you can redistribute it and/or modify
---it under the terms of the GNU Lesser General Public License as published by
---the Free Software Foundation; either version 2.1 of the License, or
---(at your option) any later version.
---
---This program is distributed in the hope that it will be useful,
---but WITHOUT ANY WARRANTY; without even the implied warranty of
---MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
---GNU Lesser General Public License for more details.
---
---You should have received a copy of the GNU Lesser General Public License along
---with this program; if not, write to the Free Software Foundation, Inc.,
---51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-gamemgr = {}
-
---------------------------------------------------------------------------------
-function gamemgr.find_by_gameid(gameid)
-	for i=1,#gamemgr.games,1 do
-		if gamemgr.games[i].id == gameid then
-			return gamemgr.games[i], i
-		end
-	end
-	return nil, nil
-end
-
---------------------------------------------------------------------------------
-function gamemgr.get_game_mods(gamespec, retval)
-	if gamespec ~= nil and
-		gamespec.gamemods_path ~= nil and
-		gamespec.gamemods_path ~= "" then
-		get_mods(gamespec.gamemods_path, retval)
-	end
-end
-
---------------------------------------------------------------------------------
-function gamemgr.get_game_modlist(gamespec)
-	local retval = ""
-	local game_mods = {}
-	gamemgr.get_game_mods(gamespec, game_mods)
-	for i=1,#game_mods,1 do
-		if retval ~= "" then
-			retval = retval..","
-		end
-		retval = retval .. game_mods[i].name
-	end
-	return retval
-end
-
---------------------------------------------------------------------------------
-function gamemgr.get_game(index)
-	if index > 0 and index <= #gamemgr.games then
-		return gamemgr.games[index]
-	end
-
-	return nil
-end
-
---------------------------------------------------------------------------------
-function gamemgr.update_gamelist()
-	gamemgr.games = core.get_games()
-end
-
---------------------------------------------------------------------------------
-function gamemgr.gamelist()
-	local retval = ""
-	if #gamemgr.games > 0 then
-		retval = retval .. core.formspec_escape(gamemgr.games[1].name)
-
-		for i=2,#gamemgr.games,1 do
-			retval = retval .. "," .. core.formspec_escape(gamemgr.games[i].name)
-		end
-	end
-	return retval
-end
-
---------------------------------------------------------------------------------
--- read initial data
---------------------------------------------------------------------------------
-gamemgr.update_gamelist()
diff --git a/builtin/mainmenu/init.lua b/builtin/mainmenu/init.lua
index 1861a835e..d959cd902 100644
--- a/builtin/mainmenu/init.lua
+++ b/builtin/mainmenu/init.lua
@@ -38,15 +38,15 @@ dofile(basepath .. "fstk" .. DIR_DELIM .. "dialog.lua")
 dofile(basepath .. "fstk" .. DIR_DELIM .. "tabview.lua")
 dofile(basepath .. "fstk" .. DIR_DELIM .. "ui.lua")
 dofile(menupath .. DIR_DELIM .. "common.lua")
-dofile(menupath .. DIR_DELIM .. "gamemgr.lua")
-dofile(menupath .. DIR_DELIM .. "modmgr.lua")
+dofile(menupath .. DIR_DELIM .. "pkgmgr.lua")
 dofile(menupath .. DIR_DELIM .. "textures.lua")
 
 dofile(menupath .. DIR_DELIM .. "dlg_config_world.lua")
 dofile(menupath .. DIR_DELIM .. "dlg_settings_advanced.lua")
+dofile(menupath .. DIR_DELIM .. "dlg_contentstore.lua")
 if menustyle ~= "simple" then
 	dofile(menupath .. DIR_DELIM .. "dlg_create_world.lua")
-	dofile(menupath .. DIR_DELIM .. "dlg_delete_mod.lua")
+	dofile(menupath .. DIR_DELIM .. "dlg_delete_content.lua")
 	dofile(menupath .. DIR_DELIM .. "dlg_delete_world.lua")
 	dofile(menupath .. DIR_DELIM .. "dlg_rename_modpack.lua")
 end
@@ -54,14 +54,13 @@ end
 local tabs = {}
 
 tabs.settings = dofile(menupath .. DIR_DELIM .. "tab_settings.lua")
-tabs.mods = dofile(menupath .. DIR_DELIM .. "tab_mods.lua")
-tabs.credits = dofile(menupath .. DIR_DELIM .. "tab_credits.lua")
+tabs.content  = dofile(menupath .. DIR_DELIM .. "tab_content.lua")
+tabs.credits  = dofile(menupath .. DIR_DELIM .. "tab_credits.lua")
 if menustyle == "simple" then
 	tabs.simple_main = dofile(menupath .. DIR_DELIM .. "tab_simple_main.lua")
 else
 	tabs.local_game = dofile(menupath .. DIR_DELIM .. "tab_local.lua")
 	tabs.play_online = dofile(menupath .. DIR_DELIM .. "tab_online.lua")
-	tabs.texturepacks = dofile(menupath .. DIR_DELIM .. "tab_texturepacks.lua")
 end
 
 --------------------------------------------------------------------------------
@@ -134,16 +133,14 @@ local function init_globals()
 
 	if menustyle == "simple" then
 		tv_main:add(tabs.simple_main)
-		tv_main:add(tabs.settings)
 	else
 		tv_main:set_autosave_tab(true)
 		tv_main:add(tabs.local_game)
 		tv_main:add(tabs.play_online)
-		tv_main:add(tabs.settings)
-		tv_main:add(tabs.texturepacks)
 	end
 
-	tv_main:add(tabs.mods)
+	tv_main:add(tabs.content)
+	tv_main:add(tabs.settings)
 	tv_main:add(tabs.credits)
 
 	tv_main:set_global_event_handler(main_event_handler)
diff --git a/builtin/mainmenu/modmgr.lua b/builtin/mainmenu/pkgmgr.lua
index 185bcd639..b83488848 100644
--- a/builtin/mainmenu/modmgr.lua
+++ b/builtin/mainmenu/pkgmgr.lua
@@ -31,7 +31,9 @@ function get_mods(path,retval,modpack)
 			end
 
 			toadd.name = name
+			toadd.author = mod_conf.author
 			toadd.path = prefix
+			toadd.type = "mod"
 
 			if modpack ~= nil and modpack ~= "" then
 				toadd.modpack = modpack
@@ -39,6 +41,7 @@ function get_mods(path,retval,modpack)
 				local modpackfile = io.open(prefix .. "modpack.txt")
 				if modpackfile then
 					modpackfile:close()
+					toadd.type = "modpack"
 					toadd.is_modpack = true
 					get_mods(prefix, retval, name)
 				end
@@ -48,10 +51,46 @@ function get_mods(path,retval,modpack)
 end
 
 --modmanager implementation
-modmgr = {}
+pkgmgr = {}
+
+function pkgmgr.get_texture_packs()
+	local txtpath = core.get_texturepath()
+	local list = core.get_dir_list(txtpath, true)
+	local retval = {}
+
+	local current_texture_path = core.settings:get("texture_path")
+
+	for _, item in ipairs(list) do
+		if item ~= "base" then
+			local name = item
+
+			local path = txtpath .. DIR_DELIM .. item .. DIR_DELIM
+			if path == current_texture_path then
+				name = fgettext("$1 (Enabled)", name)
+			end
+
+			local conf = Settings(path .. "texture_pack.conf")
+
+			retval[#retval + 1] = {
+				name = item,
+				author = conf:get("author"),
+				list_name = name,
+				type = "txp",
+				path = path,
+				enabled = path == current_texture_path,
+			}
+		end
+	end
+
+	table.sort(retval, function(a, b)
+		return a.name > b.name
+	end)
+
+	return retval
+end
 
 --------------------------------------------------------------------------------
-function modmgr.extract(modfile)
+function pkgmgr.extract(modfile)
 	if modfile.type == "zip" then
 		local tempfolder = os.tempfolder()
 
@@ -66,72 +105,60 @@ function modmgr.extract(modfile)
 	return nil
 end
 
--------------------------------------------------------------------------------
-function modmgr.getbasefolder(temppath)
+function pkgmgr.get_folder_type(path)
+	local testfile = io.open(path .. DIR_DELIM .. "init.lua","r")
+	if testfile ~= nil then
+		testfile:close()
+		return { type = "mod", path = path }
+	end
 
-	if temppath == nil then
-		return {
-		type = "invalid",
-		path = ""
-		}
+	testfile = io.open(path .. DIR_DELIM .. "modpack.txt","r")
+	if testfile ~= nil then
+		testfile:close()
+		return { type = "modpack", path = path }
 	end
 
-	local testfile = io.open(temppath .. DIR_DELIM .. "init.lua","r")
+	testfile = io.open(path .. DIR_DELIM .. "game.conf","r")
 	if testfile ~= nil then
 		testfile:close()
-		return {
-				type="mod",
-				path=temppath
-				}
+		return { type = "game", path = path }
 	end
 
-	testfile = io.open(temppath .. DIR_DELIM .. "modpack.txt","r")
+	testfile = io.open(path .. DIR_DELIM .. "texture_pack.conf","r")
 	if testfile ~= nil then
 		testfile:close()
-		return {
-				type="modpack",
-				path=temppath
-				}
+		return { type = "txp", path = path }
 	end
 
-	local subdirs = core.get_dir_list(temppath, true)
+	return nil
+end
 
-	--only single mod or modpack allowed
-	if #subdirs ~= 1 then
-		return {
-			type = "invalid",
-			path = ""
-			}
+-------------------------------------------------------------------------------
+function pkgmgr.get_base_folder(temppath)
+	if temppath == nil then
+		return { type = "invalid", path = "" }
 	end
 
-	testfile =
-	io.open(temppath .. DIR_DELIM .. subdirs[1] ..DIR_DELIM .."init.lua","r")
-	if testfile ~= nil then
-		testfile:close()
-		return {
-			type="mod",
-			path= temppath .. DIR_DELIM .. subdirs[1]
-			}
+	local ret = pkgmgr.get_folder_type(temppath)
+	if ret then
+		return ret
 	end
 
-	testfile =
-	io.open(temppath .. DIR_DELIM .. subdirs[1] ..DIR_DELIM .."modpack.txt","r")
-	if testfile ~= nil then
-		testfile:close()
-		return {
-			type="modpack",
-			path=temppath ..  DIR_DELIM .. subdirs[1]
-			}
+	local subdirs = core.get_dir_list(temppath, true)
+	if #subdirs == 1 then
+		ret = pkgmgr.get_folder_type(temppath .. DIR_DELIM .. subdirs[1])
+		if ret then
+			return ret
+		else
+			return { type = "invalid", path = temppath .. DIR_DELIM .. subdirs[1] }
+		end
 	end
 
-	return {
-		type = "invalid",
-		path = ""
-		}
+	return nil
 end
 
 --------------------------------------------------------------------------------
-function modmgr.isValidModname(modpath)
+function pkgmgr.isValidModname(modpath)
 	if modpath:find("-") ~= nil then
 		return false
 	end
@@ -140,7 +167,7 @@ function modmgr.isValidModname(modpath)
 end
 
 --------------------------------------------------------------------------------
-function modmgr.parse_register_line(line)
+function pkgmgr.parse_register_line(line)
 	local pos1 = line:find("\"")
 	local pos2 = nil
 	if pos1 ~= nil then
@@ -167,7 +194,7 @@ function modmgr.parse_register_line(line)
 end
 
 --------------------------------------------------------------------------------
-function modmgr.parse_dofile_line(modpath,line)
+function pkgmgr.parse_dofile_line(modpath,line)
 	local pos1 = line:find("\"")
 	local pos2 = nil
 	if pos1 ~= nil then
@@ -180,14 +207,14 @@ function modmgr.parse_dofile_line(modpath,line)
 		if filename ~= nil and
 			filename ~= "" and
 			filename:find(".lua") then
-			return modmgr.identify_modname(modpath,filename)
+			return pkgmgr.identify_modname(modpath,filename)
 		end
 	end
 	return nil
 end
 
 --------------------------------------------------------------------------------
-function modmgr.identify_modname(modpath,filename)
+function pkgmgr.identify_modname(modpath,filename)
 	local testfile = io.open(modpath .. DIR_DELIM .. filename,"r")
 	if testfile ~= nil then
 		local line = testfile:read()
@@ -196,20 +223,20 @@ function modmgr.identify_modname(modpath,filename)
 			local modname = nil
 
 			if line:find("minetest.register_tool") then
-				modname = modmgr.parse_register_line(line)
+				modname = pkgmgr.parse_register_line(line)
 			end
 
 			if line:find("minetest.register_craftitem") then
-				modname = modmgr.parse_register_line(line)
+				modname = pkgmgr.parse_register_line(line)
 			end
 
 
 			if line:find("minetest.register_node") then
-				modname = modmgr.parse_register_line(line)
+				modname = pkgmgr.parse_register_line(line)
 			end
 
 			if line:find("dofile") then
-				modname = modmgr.parse_dofile_line(modpath,line)
+				modname = pkgmgr.parse_dofile_line(modpath,line)
 			end
 
 			if modname ~= nil then
@@ -225,14 +252,14 @@ function modmgr.identify_modname(modpath,filename)
 	return nil
 end
 --------------------------------------------------------------------------------
-function modmgr.render_modlist(render_list)
+function pkgmgr.render_packagelist(render_list)
 	local retval = ""
 
 	if render_list == nil then
-		if modmgr.global_mods == nil then
-			modmgr.refresh_globals()
+		if pkgmgr.global_mods == nil then
+			pkgmgr.refresh_globals()
 		end
-		render_list = modmgr.global_mods
+		render_list = pkgmgr.global_mods
 	end
 
 	local list = render_list:get_list()
@@ -252,36 +279,36 @@ function modmgr.render_modlist(render_list)
 					break
 				end
 			end
-		elseif v.is_game_content then
+		elseif v.is_game_content or v.type == "game" then
 			color = mt_color_blue
-		elseif v.enabled then
+		elseif v.enabled or v.type == "txp" then
 			color = mt_color_green
 		end
 
 		retval[#retval + 1] = color
-		if v.modpack ~= nil or v.typ == "game_mod" then
+		if v.modpack ~= nil or v.loc == "game" then
 			retval[#retval + 1] = "1"
 		else
 			retval[#retval + 1] = "0"
 		end
-		retval[#retval + 1] = core.formspec_escape(v.name)
+		retval[#retval + 1] = core.formspec_escape(v.list_name or v.name)
 	end
 
 	return table.concat(retval, ",")
 end
 
 --------------------------------------------------------------------------------
-function modmgr.get_dependencies(path)
+function pkgmgr.get_dependencies(path)
 	if path == nil then
 		return "", ""
 	end
 
-	local info = core.get_mod_info(path)
-	return table.concat(info.depends, ","), table.concat(info.optional_depends, ",")
+	local info = core.get_content_info(path)
+	return table.concat(info.depends or {}, ","), table.concat(info.optional_depends or {}, ",")
 end
 
 --------------------------------------------------------------------------------
-function modmgr.get_worldconfig(worldpath)
+function pkgmgr.get_worldconfig(worldpath)
 	local filename = worldpath ..
 				DIR_DELIM .. "world.mt"
 
@@ -302,26 +329,35 @@ function modmgr.get_worldconfig(worldpath)
 	end
 
 	--read gamemods
-	local gamespec = gamemgr.find_by_gameid(worldconfig.id)
-	gamemgr.get_game_mods(gamespec, worldconfig.game_mods)
+	local gamespec = pkgmgr.find_by_gameid(worldconfig.id)
+	pkgmgr.get_game_mods(gamespec, worldconfig.game_mods)
 
 	return worldconfig
 end
 
 --------------------------------------------------------------------------------
-function modmgr.installmod(modfilename,basename)
-	local modfile = modmgr.identify_filetype(modfilename)
-	local modpath = modmgr.extract(modfile)
+function pkgmgr.install_dir(type, path, basename)
+	local basefolder = pkgmgr.get_base_folder(path)
 
-	if modpath == nil then
-		gamedata.errormessage = fgettext("Install Mod: file: \"$1\"", modfile.name) ..
-			fgettext("\nInstall Mod: unsupported filetype \"$1\" or broken archive", modfile.type)
-		return
-	end
+	local targetpath
+	if type == "txp" then
+		if basefolder and basefolder.type ~= "invalid" and basefolder.type ~= "txp" then
+			return nil, fgettext("Unable to install a $1 as a texture pack", basefolder.type)
+		end
+
+		local from = basefolder and basefolder.path or path
+		targetpath = core.get_texturepath() .. DIR_DELIM .. basename
+		core.copy_dir(from, targetpath)
+		return targetpath, nil
 
-	local basefolder = modmgr.getbasefolder(modpath)
+	elseif not basefolder then
+		return nil, fgettext("Unable to find a valid mod or modpack")
+	end
 
 	if basefolder.type == "modpack" then
+		if type ~= "mod" then
+			return nil, fgettext("Unable to install a modpack as a $1", type)
+		end
 		local clean_path = nil
 
 		if basename ~= nil then
@@ -333,20 +369,27 @@ function modmgr.installmod(modfilename,basename)
 		end
 
 		if clean_path ~= nil then
-			local targetpath = core.get_modpath() .. DIR_DELIM .. clean_path
+			targetpath = core.get_modpath() .. DIR_DELIM .. clean_path
 			if not core.copy_dir(basefolder.path,targetpath) then
-				gamedata.errormessage = fgettext("Failed to install $1 to $2", basename, targetpath)
+				return nil,
+					fgettext("Failed to install $1 to $2", basename, targetpath)
 			end
 		else
-			gamedata.errormessage = fgettext("Install Mod: unable to find suitable foldername for modpack $1", modfilename)
+			return nil,
+				fgettext("Install Mod: unable to find suitable foldername for modpack $1",
+				modfilename)
 		end
-	end
 
-	if basefolder.type == "mod" then
+		pkgmgr.refresh_globals()
+
+	elseif basefolder.type == "mod" then
+		if type ~= "mod" then
+			return nil, fgettext("Unable to install a mod as a $1", type)
+		end
 		local targetfolder = basename
 
 		if targetfolder == nil then
-			targetfolder = modmgr.identify_modname(basefolder.path,"init.lua")
+			targetfolder = pkgmgr.identify_modname(basefolder.path,"init.lua")
 		end
 
 		--if heuristic failed try to use current foldername
@@ -354,22 +397,46 @@ function modmgr.installmod(modfilename,basename)
 			targetfolder = get_last_folder(basefolder.path)
 		end
 
-		if targetfolder ~= nil and modmgr.isValidModname(targetfolder) then
-			local targetpath = core.get_modpath() .. DIR_DELIM .. targetfolder
-			core.copy_dir(basefolder.path,targetpath)
+		if targetfolder ~= nil and pkgmgr.isValidModname(targetfolder) then
+			targetpath = core.get_modpath() .. DIR_DELIM .. targetfolder
+			core.copy_dir(basefolder.path, targetpath)
 		else
-			gamedata.errormessage = fgettext("Install Mod: unable to find real modname for: $1", modfilename)
+			return nil, fgettext("Install Mod: unable to find real modname for: $1", modfilename)
 		end
+
+		pkgmgr.refresh_globals()
+
+	elseif basefolder.type == "game" then
+		if type ~= "game" then
+			return nil, fgettext("Unable to install a game as a $1", type)
+		end
+
+		targetpath = core.get_gamepath() .. DIR_DELIM .. basename
+		core.copy_dir(basefolder.path, targetpath)
 	end
 
-	core.delete_dir(modpath)
+	return targetpath, nil
+end
+
+--------------------------------------------------------------------------------
+function pkgmgr.install(type, modfilename, basename)
+	local archive_info = pkgmgr.identify_filetype(modfilename)
+	local path = pkgmgr.extract(archive_info)
 
-	modmgr.refresh_globals()
+	if path == nil then
+		return nil,
+			fgettext("Install: file: \"$1\"", archive_info.name) .. "\n" ..
+			fgettext("Install: unsupported filetype \"$1\" or broken archive",
+				archive_info.type)
+	end
 
+	local targetpath, msg = pkgmgr.install_dir(type, path, basename)
+	core.delete_dir(path)
+	return targetpath, msg
 end
 
 --------------------------------------------------------------------------------
-function modmgr.preparemodlist(data)
+function pkgmgr.preparemodlist(data)
 	local retval = {}
 
 	local global_mods = {}
@@ -384,25 +451,27 @@ function modmgr.preparemodlist(data)
 	end
 
 	for i=1,#global_mods,1 do
-		global_mods[i].typ = "global_mod"
+		global_mods[i].type = "mod"
+		global_mods[i].loc = "global"
 		retval[#retval + 1] = global_mods[i]
 	end
 
 	--read game mods
-	local gamespec = gamemgr.find_by_gameid(data.gameid)
-	gamemgr.get_game_mods(gamespec, game_mods)
+	local gamespec = pkgmgr.find_by_gameid(data.gameid)
+	pkgmgr.get_game_mods(gamespec, game_mods)
 
 	if #game_mods > 0 then
 		-- Add title
 		retval[#retval + 1] = {
-			typ = "game",
+			type = "game",
 			is_game_content = true,
 			name = fgettext("Subgame Mods")
 		}
 	end
 
 	for i=1,#game_mods,1 do
-		game_mods[i].typ = "game_mod"
+		game_mods[i].type = "mod"
+		game_mods[i].loc = "game"
 		game_mods[i].is_game_content = true
 		retval[#retval + 1] = game_mods[i]
 	end
@@ -439,8 +508,12 @@ function modmgr.preparemodlist(data)
 	return retval
 end
 
+function pkgmgr.compare_package(a, b)
+	return a and b and a.name == b.name and a.path == b.path
+end
+
 --------------------------------------------------------------------------------
-function modmgr.comparemod(elem1,elem2)
+function pkgmgr.comparemod(elem1,elem2)
 	if elem1 == nil or elem2 == nil then
 		return false
 	end
@@ -450,7 +523,7 @@ function modmgr.comparemod(elem1,elem2)
 	if elem1.is_modpack ~= elem2.is_modpack then
 		return false
 	end
-	if elem1.typ ~= elem2.typ then
+	if elem1.type ~= elem2.type then
 		return false
 	end
 	if elem1.modpack ~= elem2.modpack then
@@ -465,13 +538,13 @@ function modmgr.comparemod(elem1,elem2)
 end
 
 --------------------------------------------------------------------------------
-function modmgr.mod_exists(basename)
+function pkgmgr.mod_exists(basename)
 
-	if modmgr.global_mods == nil then
-		modmgr.refresh_globals()
+	if pkgmgr.global_mods == nil then
+		pkgmgr.refresh_globals()
 	end
 
-	if modmgr.global_mods:raw_index_by_uid(basename) > 0 then
+	if pkgmgr.global_mods:raw_index_by_uid(basename) > 0 then
 		return true
 	end
 
@@ -479,39 +552,35 @@ function modmgr.mod_exists(basename)
 end
 
 --------------------------------------------------------------------------------
-function modmgr.get_global_mod(idx)
+function pkgmgr.get_global_mod(idx)
 
-	if modmgr.global_mods == nil then
+	if pkgmgr.global_mods == nil then
 		return nil
 	end
 
 	if idx == nil or idx < 1 or
-		idx > modmgr.global_mods:size() then
+		idx > pkgmgr.global_mods:size() then
 		return nil
 	end
 
-	return modmgr.global_mods:get_list()[idx]
+	return pkgmgr.global_mods:get_list()[idx]
 end
 
 --------------------------------------------------------------------------------
-function modmgr.refresh_globals()
-	modmgr.global_mods = filterlist.create(
-					modmgr.preparemodlist, --refresh
-					modmgr.comparemod, --compare
-					function(element,uid) --uid match
-						if element.name == uid then
-							return true
-						end
-					end,
-					nil, --filter
-					{}
-					)
-	modmgr.global_mods:add_sort_mechanism("alphabetic", sort_mod_list)
-	modmgr.global_mods:set_sortmode("alphabetic")
+function pkgmgr.refresh_globals()
+	local function is_equal(element,uid) --uid match
+		if element.name == uid then
+			return true
+		end
+	end
+	pkgmgr.global_mods = filterlist.create(pkgmgr.preparemodlist,
+			pkgmgr.comparemod, is_equal, nil, {})
+	pkgmgr.global_mods:add_sort_mechanism("alphabetic", sort_mod_list)
+	pkgmgr.global_mods:set_sortmode("alphabetic")
 end
 
 --------------------------------------------------------------------------------
-function modmgr.identify_filetype(name)
+function pkgmgr.identify_filetype(name)
 
 	if name:sub(-3):lower() == "zip" then
 		return {
@@ -547,3 +616,69 @@ function modmgr.identify_filetype(name)
 		type = "ukn"
 	}
 end
+
+
+--------------------------------------------------------------------------------
+function pkgmgr.find_by_gameid(gameid)
+	for i=1,#pkgmgr.games,1 do
+		if pkgmgr.games[i].id == gameid then
+			return pkgmgr.games[i], i
+		end
+	end
+	return nil, nil
+end
+
+--------------------------------------------------------------------------------
+function pkgmgr.get_game_mods(gamespec, retval)
+	if gamespec ~= nil and
+		gamespec.gamemods_path ~= nil and
+		gamespec.gamemods_path ~= "" then
+		get_mods(gamespec.gamemods_path, retval)
+	end
+end
+
+--------------------------------------------------------------------------------
+function pkgmgr.get_game_modlist(gamespec)
+	local retval = ""
+	local game_mods = {}
+	pkgmgr.get_game_mods(gamespec, game_mods)
+	for i=1,#game_mods,1 do
+		if retval ~= "" then
+			retval = retval..","
+		end
+		retval = retval .. game_mods[i].name
+	end
+	return retval
+end
+
+--------------------------------------------------------------------------------
+function pkgmgr.get_game(index)
+	if index > 0 and index <= #pkgmgr.games then
+		return pkgmgr.games[index]
+	end
+
+	return nil
+end
+
+--------------------------------------------------------------------------------
+function pkgmgr.update_gamelist()
+	pkgmgr.games = core.get_games()
+end
+
+--------------------------------------------------------------------------------
+function pkgmgr.gamelist()
+	local retval = ""
+	if #pkgmgr.games > 0 then
+		retval = retval .. core.formspec_escape(pkgmgr.games[1].name)
+
+		for i=2,#pkgmgr.games,1 do
+			retval = retval .. "," .. core.formspec_escape(pkgmgr.games[i].name)
+		end
+	end
+	return retval
+end
+
+--------------------------------------------------------------------------------
+-- read initial data
+--------------------------------------------------------------------------------
+pkgmgr.update_gamelist()
diff --git a/builtin/mainmenu/tab_content.lua b/builtin/mainmenu/tab_content.lua
new file mode 100644
index 000000000..2699a7458
--- /dev/null
+++ b/builtin/mainmenu/tab_content.lua
@@ -0,0 +1,217 @@
+--Minetest
+--Copyright (C) 2014 sapier
+--Copyright (C) 2018 rubenwardy <rw@rubenwardy.com>
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU Lesser General Public License as published by
+--the Free Software Foundation; either version 2.1 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--GNU Lesser General Public License for more details.
+--
+--You should have received a copy of the GNU Lesser General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+local packages_raw
+local packages
+
+--------------------------------------------------------------------------------
+local function get_formspec(tabview, name, tabdata)
+	if pkgmgr.global_mods == nil then
+		pkgmgr.refresh_globals()
+	end
+	if pkgmgr.games == nil then
+		pkgmgr.update_gamelist()
+	end
+
+	if packages == nil then
+		packages_raw = {}
+		table.insert_all(packages_raw, pkgmgr.games)
+		table.insert_all(packages_raw, pkgmgr.get_texture_packs())
+		table.insert_all(packages_raw, pkgmgr.global_mods:get_list())
+
+		local function get_data()
+			return packages_raw
+		end
+
+		local function is_equal(element, uid) --uid match
+			return (element.type == "game" and element.id == uid) or
+					element.name == uid
+		end
+
+		packages = filterlist.create(get_data, pkgmgr.compare_package,
+				is_equal, nil, {})
+	end
+
+	if tabdata.selected_pkg == nil then
+		tabdata.selected_pkg = 1
+	end
+
+
+	local retval =
+		"label[0.05,-0.25;".. fgettext("Installed Packages:") .. "]" ..
+		"tablecolumns[color;tree;text]" ..
+		"table[0,0.25;5.1,4.3;pkglist;" ..
+		pkgmgr.render_packagelist(packages) ..
+		";" .. tabdata.selected_pkg .. "]" ..
+		"button[0,4.85;5.25,0.5;btn_contentdb;".. fgettext("Browse online content") .. "]"
+
+
+	local selected_pkg
+	if filterlist.size(packages) >= tabdata.selected_pkg then
+		selected_pkg = packages:get_list()[tabdata.selected_pkg]
+	end
+
+	if selected_pkg ~= nil then
+		--check for screenshot beeing available
+		local screenshotfilename = selected_pkg.path .. DIR_DELIM .. "screenshot.png"
+		local screenshotfile, error = io.open(screenshotfilename, "r")
+
+		local modscreenshot
+		if error == nil then
+			screenshotfile:close()
+			modscreenshot = screenshotfilename
+		end
+
+		if modscreenshot == nil then
+				modscreenshot = defaulttexturedir .. "no_screenshot.png"
+		end
+
+		retval = retval ..
+				"image[5.5,0;3,2;" .. core.formspec_escape(modscreenshot) .. "]" ..
+				"label[8.25,0.6;" .. core.formspec_escape(selected_pkg.name) .. "]" ..
+				"label[5.5,1.7;".. fgettext("Information:") .. "]" ..
+				"textlist[5.5,2.2;6.2,2.4;description;"
+
+		local info = core.get_content_info(selected_pkg.path)
+		local desc = info.description or fgettext("No package description available")
+		local descriptionlines = core.wrap_text(desc, 42, true)
+		for i = 1, #descriptionlines do
+			retval = retval .. core.formspec_escape(descriptionlines[i]) .. ","
+		end
+
+		if selected_pkg.type == "mod" then
+			if selected_pkg.is_modpack then
+				retval = retval .. ";0]" ..
+					"button[8.9,4.65;3,1;btn_mod_mgr_rename_modpack;" ..
+					fgettext("Rename") .. "]"
+			else
+				--show dependencies
+				local toadd_hard = table.concat(info.depends or {}, ",")
+				local toadd_soft = table.concat(info.optional_depends or {}, ",")
+				if toadd_hard == "" and toadd_soft == "" then
+					retval = retval .. "," .. fgettext("No dependencies.")
+				else
+					if toadd_hard ~= "" then
+						retval = retval .. "," .. fgettext("Dependencies:") .. ","
+						retval = retval .. toadd_hard
+					end
+					if toadd_soft ~= "" then
+						if toadd_hard ~= "" then
+							retval = retval .. ","
+						end
+						retval = retval .. "," .. fgettext("Optional dependencies:") .. ","
+						retval = retval .. toadd_soft
+					end
+				end
+
+				retval = retval .. ";0]"
+			end
+
+		else
+			retval = retval .. ";0]"
+
+			if selected_pkg.type == "txp" then
+				if selected_pkg.enabled then
+					retval = retval ..
+						"button[8.9,4.65;3,1;btn_mod_mgr_disable_txp;" ..
+						fgettext("Disable Texture Pack") .. "]"
+				else
+					retval = retval ..
+						"button[8.9,4.65;3,1;btn_mod_mgr_use_txp;" ..
+						fgettext("Use Texture Pack") .. "]"
+				end
+			end
+		end
+
+		retval = retval .. "button[5.5,4.65;3,1;btn_mod_mgr_delete_mod;"
+			.. fgettext("Uninstall Package") .. "]"
+	end
+	return retval
+end
+
+--------------------------------------------------------------------------------
+local function handle_buttons(tabview, fields, tabname, tabdata)
+	if fields["pkglist"] ~= nil then
+		local event = core.explode_table_event(fields["pkglist"])
+		tabdata.selected_pkg = event.row
+		return true
+	end
+
+	if fields["btn_mod_mgr_install_local"] ~= nil then
+		core.show_file_open_dialog("mod_mgt_open_dlg", fgettext("Select Package File:"))
+		return true
+	end
+
+	if fields["btn_contentdb"] ~= nil then
+		local dlg = create_store_dlg()
+		dlg:set_parent(tabview)
+		tabview:hide()
+		dlg:show()
+		packages = nil
+		return true
+	end
+
+	if fields["btn_mod_mgr_rename_modpack"] ~= nil then
+		local dlg_renamemp = create_rename_modpack_dlg(tabdata.selected_pkg)
+		dlg_renamemp:set_parent(tabview)
+		tabview:hide()
+		dlg_renamemp:show()
+		return true
+	end
+
+	if fields["btn_mod_mgr_delete_mod"] ~= nil then
+		local mod = packages:get_list()[tabdata.selected_pkg]
+		local dlg_delmod = create_delete_content_dlg(mod)
+		dlg_delmod:set_parent(tabview)
+		tabview:hide()
+		dlg_delmod:show()
+		packages = nil
+		return true
+	end
+
+	if fields.btn_mod_mgr_use_txp then
+		local txp = packages:get_list()[tabdata.selected_pkg]
+		core.settings:set("texture_path", txp.path)
+		packages = nil
+		return true
+	end
+
+
+	if fields.btn_mod_mgr_disable_txp then
+		core.settings:set("texture_path", "")
+		packages = nil
+		return true
+	end
+
+	if fields["mod_mgt_open_dlg_accepted"] and
+			fields["mod_mgt_open_dlg_accepted"] ~= "" then
+		pkgmgr.install_mod(fields["mod_mgt_open_dlg_accepted"],nil)
+		return true
+	end
+
+	return false
+end
+
+--------------------------------------------------------------------------------
+return {
+	name = "content",
+	caption = fgettext("Content"),
+	cbf_formspec = get_formspec,
+	cbf_button_handler = handle_buttons,
+	on_change = pkgmgr.update_gamelist
+}
diff --git a/builtin/mainmenu/tab_local.lua b/builtin/mainmenu/tab_local.lua
index 64ea09043..ec99c3946 100644
--- a/builtin/mainmenu/tab_local.lua
+++ b/builtin/mainmenu/tab_local.lua
@@ -17,7 +17,7 @@
 
 local function current_game()
 	local last_game_id = core.settings:get("menu_last_game")
-	local game, index = gamemgr.find_by_gameid(last_game_id)
+	local game, index = pkgmgr.find_by_gameid(last_game_id)
 
 	return game
 end
@@ -32,12 +32,12 @@ local function singleplayer_refresh_gamebar()
 
 	local function game_buttonbar_button_handler(fields)
 		for key,value in pairs(fields) do
-			for j=1,#gamemgr.games,1 do
-				if ("game_btnbar_" .. gamemgr.games[j].id == key) then
-					mm_texture.update("singleplayer", gamemgr.games[j])
-					core.set_topleft_text(gamemgr.games[j].name)
-					core.settings:set("menu_last_game",gamemgr.games[j].id)
-					menudata.worldlist:set_filtercriteria(gamemgr.games[j].id)
+			for j=1,#pkgmgr.games,1 do
+				if ("game_btnbar_" .. pkgmgr.games[j].id == key) then
+					mm_texture.update("singleplayer", pkgmgr.games[j])
+					core.set_topleft_text(pkgmgr.games[j].name)
+					core.settings:set("menu_last_game",pkgmgr.games[j].id)
+					menudata.worldlist:set_filtercriteria(pkgmgr.games[j].id)
 					local index = filterlist.get_current_index(menudata.worldlist,
 						tonumber(core.settings:get("mainmenu_last_selected_world")))
 					if not index or index < 1 then
@@ -59,21 +59,21 @@ local function singleplayer_refresh_gamebar()
 		game_buttonbar_button_handler,
 		{x=-0.3,y=5.9}, "horizontal", {x=12.4,y=1.15})
 
-	for i=1,#gamemgr.games,1 do
-		local btn_name = "game_btnbar_" .. gamemgr.games[i].id
+	for i=1,#pkgmgr.games,1 do
+		local btn_name = "game_btnbar_" .. pkgmgr.games[i].id
 
 		local image = nil
 		local text = nil
-		local tooltip = core.formspec_escape(gamemgr.games[i].name)
+		local tooltip = core.formspec_escape(pkgmgr.games[i].name)
 
-		if gamemgr.games[i].menuicon_path ~= nil and
-			gamemgr.games[i].menuicon_path ~= "" then
-			image = core.formspec_escape(gamemgr.games[i].menuicon_path)
+		if pkgmgr.games[i].menuicon_path ~= nil and
+			pkgmgr.games[i].menuicon_path ~= "" then
+			image = core.formspec_escape(pkgmgr.games[i].menuicon_path)
 		else
 
-			local part1 = gamemgr.games[i].id:sub(1,5)
-			local part2 = gamemgr.games[i].id:sub(6,10)
-			local part3 = gamemgr.games[i].id:sub(11)
+			local part1 = pkgmgr.games[i].id:sub(1,5)
+			local part2 = pkgmgr.games[i].id:sub(6,10)
+			local part3 = pkgmgr.games[i].id:sub(11)
 
 			text = part1 .. "\n" .. part2
 			if part3 ~= nil and
@@ -213,7 +213,7 @@ local function main_button_handler(this, fields, name, tabdata)
 				--update last game
 				local world = menudata.worldlist:get_raw_element(gamedata.selected_world)
 				if world then
-					local game, index = gamemgr.find_by_gameid(world.gameid)
+					local game, index = pkgmgr.find_by_gameid(world.gameid)
 					core.settings:set("menu_last_game", game.id)
 				end
 
diff --git a/builtin/mainmenu/tab_mods.lua b/builtin/mainmenu/tab_mods.lua
deleted file mode 100644
index 7685bfcc4..000000000
--- a/builtin/mainmenu/tab_mods.lua
+++ /dev/null
@@ -1,151 +0,0 @@
---Minetest
---Copyright (C) 2014 sapier
---
---This program is free software; you can redistribute it and/or modify
---it under the terms of the GNU Lesser General Public License as published by
---the Free Software Foundation; either version 2.1 of the License, or
---(at your option) any later version.
---
---This program is distributed in the hope that it will be useful,
---but WITHOUT ANY WARRANTY; without even the implied warranty of
---MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
---GNU Lesser General Public License for more details.
---
---You should have received a copy of the GNU Lesser General Public License along
---with this program; if not, write to the Free Software Foundation, Inc.,
---51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
---------------------------------------------------------------------------------
-local function get_formspec(tabview, name, tabdata)
-
-	if modmgr.global_mods == nil then
-		modmgr.refresh_globals()
-	end
-
-	if tabdata.selected_mod == nil then
-		tabdata.selected_mod = 1
-	end
-
-	local retval =
-		"label[0.05,-0.25;".. fgettext("Installed Mods:") .. "]" ..
-		"tablecolumns[color;tree;text]" ..
-		"table[0,0.25;5.1,5;modlist;" ..
-		modmgr.render_modlist(modmgr.global_mods) ..
-		";" .. tabdata.selected_mod .. "]"
-
-	local selected_mod = nil
-
-	if filterlist.size(modmgr.global_mods) >= tabdata.selected_mod then
-		selected_mod = modmgr.global_mods:get_list()[tabdata.selected_mod]
-	end
-
-	if selected_mod ~= nil then
-		--check for screenshot beeing available
-		local screenshotfilename = selected_mod.path .. DIR_DELIM .. "screenshot.png"
-		local screenshotfile, error = io.open(screenshotfilename,"r")
-
-		local modscreenshot
-		if error == nil then
-			screenshotfile:close()
-			modscreenshot = screenshotfilename
-		end
-
-		if modscreenshot == nil then
-				modscreenshot = defaulttexturedir .. "no_screenshot.png"
-		end
-
-		retval = retval ..
-				"image[5.5,0;3,2;" .. core.formspec_escape(modscreenshot) .. "]" ..
-				"label[8.25,0.6;" .. selected_mod.name .. "]" ..
-				"label[5.5,1.7;".. fgettext("Mod Information:") .. "]" ..
-				"textlist[5.5,2.2;6.2,2.4;description;"
-
-
-		local info = core.get_mod_info(selected_mod.path)
-		local desc = info.description or fgettext("No mod description available")
-		local descriptionlines = core.wrap_text(desc, 42, true)
-		for i = 1, #descriptionlines do
-			retval = retval .. core.formspec_escape(descriptionlines[i]) .. ","
-		end
-
-		if selected_mod.is_modpack then
-			retval = retval .. ";0]" ..
-				"button[9.9,4.65;2,1;btn_mod_mgr_rename_modpack;" ..
-				fgettext("Rename") .. "]"
-			retval = retval .. "button[5.5,4.65;4.5,1;btn_mod_mgr_delete_mod;"
-				.. fgettext("Uninstall Selected Modpack") .. "]"
-		else
-			--show dependencies
-			local toadd_hard = table.concat(info.depends, ",")
-			local toadd_soft = table.concat(info.optional_depends, ",")
-			if toadd_hard == "" and toadd_soft == "" then
-				retval = retval .. "," .. fgettext("No dependencies.")
-			else
-				if toadd_hard ~= "" then
-					retval = retval .. "," .. fgettext("Dependencies:") .. ","
-					retval = retval .. toadd_hard
-				end
-				if toadd_soft ~= "" then
-					if toadd_hard ~= "" then
-						retval = retval .. ","
-					end
-					retval = retval .. "," .. fgettext("Optional dependencies:") .. ","
-					retval = retval .. toadd_soft
-				end
-			end
-
-			retval = retval .. ";0]"
-
-			retval = retval .. "button[5.5,4.65;4.5,1;btn_mod_mgr_delete_mod;"
-				.. fgettext("Uninstall Selected Mod") .. "]"
-		end
-	end
-	return retval
-end
-
---------------------------------------------------------------------------------
-local function handle_buttons(tabview, fields, tabname, tabdata)
-	if fields["modlist"] ~= nil then
-		local event = core.explode_table_event(fields["modlist"])
-		tabdata.selected_mod = event.row
-		return true
-	end
-
-	if fields["btn_mod_mgr_install_local"] ~= nil then
-		core.show_file_open_dialog("mod_mgt_open_dlg",fgettext("Select Mod File:"))
-		return true
-	end
-
-	if fields["btn_mod_mgr_rename_modpack"] ~= nil then
-		local dlg_renamemp = create_rename_modpack_dlg(tabdata.selected_mod)
-		dlg_renamemp:set_parent(tabview)
-		tabview:hide()
-		dlg_renamemp:show()
-		return true
-	end
-
-	if fields["btn_mod_mgr_delete_mod"] ~= nil then
-		local dlg_delmod = create_delete_mod_dlg(tabdata.selected_mod)
-		dlg_delmod:set_parent(tabview)
-		tabview:hide()
-		dlg_delmod:show()
-		return true
-	end
-
-	if fields["mod_mgt_open_dlg_accepted"] ~= nil and
-		fields["mod_mgt_open_dlg_accepted"] ~= "" then
-		modmgr.installmod(fields["mod_mgt_open_dlg_accepted"],nil)
-		return true
-	end
-
-	return false
-end
-
---------------------------------------------------------------------------------
-return {
-	name = "mods",
-	caption = fgettext("Mods"),
-	cbf_formspec = get_formspec,
-	cbf_button_handler = handle_buttons,
-	on_change = gamemgr.update_gamelist
-}
diff --git a/builtin/mainmenu/tab_texturepacks.lua b/builtin/mainmenu/tab_texturepacks.lua
deleted file mode 100644
index 6be555987..000000000
--- a/builtin/mainmenu/tab_texturepacks.lua
+++ /dev/null
@@ -1,135 +0,0 @@
---Minetest
---Copyright (C) 2014 sapier
---
---This program is free software; you can redistribute it and/or modify
---it under the terms of the GNU Lesser General Public License as published by
---the Free Software Foundation; either version 2.1 of the License, or
---(at your option) any later version.
---
---This program is distributed in the hope that it will be useful,
---but WITHOUT ANY WARRANTY; without even the implied warranty of
---MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
---GNU Lesser General Public License for more details.
---
---You should have received a copy of the GNU Lesser General Public License along
---with this program; if not, write to the Free Software Foundation, Inc.,
---51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
---------------------------------------------------------------------------------
-local function filter_texture_pack_list(list)
-	local retval = {}
-
-	for _, item in ipairs(list) do
-		if item ~= "base" then
-			retval[#retval + 1] = item
-		end
-	end
-
-	table.sort(retval)
-	table.insert(retval, 1, fgettext("None"))
-
-	return retval
-end
-
---------------------------------------------------------------------------------
-local function render_texture_pack_list(list)
-	local retval = ""
-
-	for i, v in ipairs(list) do
-		if v:sub(1, 1) ~= "." then
-			if retval ~= "" then
-				retval = retval .. ","
-			end
-
-			retval = retval .. core.formspec_escape(v)
-		end
-	end
-
-	return retval
-end
-
---------------------------------------------------------------------------------
-local function get_formspec(tabview, name, tabdata)
-
-	local retval = "label[4,-0.25;" .. fgettext("Select Texture Pack:") .. "]" ..
-			"textlist[4,0.25;7.5,5.0;TPs;"
-
-	local current_texture_path = core.settings:get("texture_path")
-	local list = filter_texture_pack_list(core.get_dir_list(core.get_texturepath(), true))
-	local index = tonumber(core.settings:get("mainmenu_last_selected_TP"))
-
-	if not index then index = 1 end
-
-	if current_texture_path == "" then
-		retval = retval ..
-			render_texture_pack_list(list) ..
-			";" .. index .. "]" ..
-			"textarea[0.6,2.85;3.7,1.5;;" ..
-			fgettext("Default textures will be used.") ..
-			";]"
-		return retval
-	end
-
-	local infofile = current_texture_path .. DIR_DELIM .. "description.txt"
-	-- This adds backwards compatibility for old texture pack description files named
-	-- "info.txt", and should be removed once all such texture packs have been updated
-	if not file_exists(infofile) then
-		infofile = current_texture_path .. DIR_DELIM .. "info.txt"
-		if file_exists(infofile) then
-			core.log("deprecated", "info.txt is deprecated. description.txt should be used instead.")
-		end
-	end
-
-	local infotext = ""
-	local f = io.open(infofile, "r")
-	if not f then
-		infotext = fgettext("No information available")
-	else
-		infotext = f:read("*all")
-		f:close()
-	end
-
-	local screenfile = current_texture_path .. DIR_DELIM .. "screenshot.png"
-	local no_screenshot
-	if not file_exists(screenfile) then
-		screenfile = nil
-		no_screenshot = defaulttexturedir .. "no_screenshot.png"
-	end
-
-	return	retval ..
-			render_texture_pack_list(list) ..
-			";" .. index .. "]" ..
-			"image[0.25,0.25;4.05,2.7;" .. core.formspec_escape(screenfile or no_screenshot) .. "]" ..
-			"textarea[0.6,2.85;3.7,1.5;;" .. core.formspec_escape(infotext or "") .. ";]"
-end
-
---------------------------------------------------------------------------------
-local function main_button_handler(tabview, fields, name, tabdata)
-	if fields["TPs"] then
-		local event = core.explode_textlist_event(fields["TPs"])
-		if event.type == "CHG" or event.type == "DCL" then
-			local index = core.get_textlist_index("TPs")
-			core.settings:set("mainmenu_last_selected_TP", index)
-			local list = filter_texture_pack_list(core.get_dir_list(core.get_texturepath(), true))
-			local current_index = core.get_textlist_index("TPs")
-			if current_index and #list >= current_index then
-				local new_path = core.get_texturepath() .. DIR_DELIM .. list[current_index]
-				if list[current_index] == fgettext("None") then
-					new_path = ""
-				end
-				core.settings:set("texture_path", new_path)
-			end
-		end
-		return true
-	end
-	return false
-end
-
---------------------------------------------------------------------------------
-return {
-	name = "texturepacks",
-	caption = fgettext("Texture Packs"),
-	cbf_formspec = get_formspec,
-	cbf_button_handler = main_button_handler,
-	on_change = nil
-}
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 0c7d44adf..70eb48c12 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -55,10 +55,10 @@ Where `gameid` is unique to each game.
 
 The game directory can contain the following files:
 
-* `game.conf`, which contains:
-    * `name = <Human-readable full name of the game>` e.g. `name = Minetest`
-    * Optionally, game.conf can also contain
-      `disallowed_mapgens = <comma-separated mapgens>`
+* `game.conf`, with the following keys:
+    * `name` - required, human readable name  e.g. `name = Minetest`
+    * `description` - Short description to be shown in the content tab
+    * `disallowed_mapgens = <comma-separated mapgens>`
       e.g. `disallowed_mapgens = v5,v6,flat`
       These mapgens are removed from the list of mapgens for the game.
 * `minetest.conf`:
@@ -2544,6 +2544,9 @@ Helper functions
     * returns time with microsecond precision. May not return wall time.
 * `table.copy(table)`: returns a table
     * returns a deep copy of `table`
+* `table.insert_all(table, other_table)`:
+    * Appends all values in `other_table` to `table` - uses `#table + 1` to
+      find new indices.
 * `minetest.pointed_thing_to_face_pos(placer, pointed_thing)`: returns a
   position.
     * returns the exact position on the surface of a pointed node
diff --git a/doc/menu_lua_api.txt b/doc/menu_lua_api.txt
index 49c6fbef0..6b81e6bf5 100644
--- a/doc/menu_lua_api.txt
+++ b/doc/menu_lua_api.txt
@@ -33,14 +33,6 @@ core.close()
 Filesystem:
 core.get_builtin_path()
 ^ returns path to builtin root
-core.get_modpath() (possible in async calls)
-^ returns path to global modpath
-core.get_clientmodpath() (possible in async calls)
-^ returns path to global client-side modpath
-core.get_gamepath() (possible in async calls)
-^ returns path to global gamepath
-core.get_texturepath() (possible in async calls)
-^ returns path to default textures
 core.create_dir(absolute_path) (possible in async calls)
 ^ absolute_path to directory to create (needs to be absolute)
 ^ returns true/false
@@ -71,6 +63,8 @@ core.get_video_drivers()
 ^ returns list of available video drivers' settings name and 'friendly' display name
 ^ e.g. { {name="opengl", friendly_name="OpenGL"}, {name="software", friendly_name="Software Renderer"} }
 ^ first element of returned list is guaranteed to be the NULL driver
+core.get_mapgen_names([include_hidden=false]) -> table of map generator algorithms
+    registered in the core (possible in async calls)
 
 Formspec:
 core.update_formspec(formspec)
@@ -111,29 +105,58 @@ core.get_screen_info()
 	window_height   = <current window height>
 	}
 
-Packages:
-core.get_game(index)
-^ returns {
-	id               = <id>,
-	path             = <full path to game>,
-	gamemods_path    = <path>,
-	name             = <name of game>,
-	menuicon_path    = <full path to menuicon>,
-	DEPRECATED:
-	addon_mods_paths = {[1] = <path>,},
-}
-core.get_games() -> table of all games in upper format (possible in async calls)
-core.get_mapgen_names([include_hidden=false]) -> table of map generator algorithms
-    registered in the core (possible in async calls)
-core.get_mod_info(path)
-^ returns  {
-	name             = "name of mod",
-	type             = "mod" or "modpack",
-	description      = "description",
-	path             = "path/to/mod",
-	depends          = {"mod", "names"},
-	optional_depends = {"mod", "names"},
-}
+### Content and Packages
+
+Content - an installed mod, modpack, game, or texture pack (txt)
+Package - content which is downloadable from the content db, may or may not be installed.
+
+* core.get_modpath() (possible in async calls)
+	* returns path to global modpath
+* core.get_clientmodpath() (possible in async calls)
+	* returns path to global client-side modpath
+* core.get_gamepath() (possible in async calls)
+	* returns path to global gamepath
+* core.get_texturepath() (possible in async calls)
+	* returns path to default textures
+* core.get_game(index)
+	* returns:
+
+		{
+			id               = <id>,
+			path             = <full path to game>,
+			gamemods_path    = <path>,
+			name             = <name of game>,
+			menuicon_path    = <full path to menuicon>,
+			author           = "author",
+			DEPRECATED:
+			addon_mods_paths = {[1] = <path>,},
+		}
+
+* core.get_games() -> table of all games in upper format (possible in async calls)
+* core.get_content_info(path)
+	* returns
+
+		{
+			name             = "name of content",
+			type             = "mod" or "modpack" or "game" or "txp",
+			description      = "description",
+			author           = "author",
+			path             = "path/to/content",
+			depends          = {"mod", "names"}, -- mods only
+			optional_depends = {"mod", "names"}, -- mods only
+		}
+
+* core.get_package_list() -> downloads package list from content db
+	* returns a list of:
+
+		{
+			name = "basename",
+			title = "human readable title",
+			author = "username",
+			type = "", -- mod, game, txp
+			short_description = "description",
+			url = "",
+		}
 
 Favorites:
 core.get_favorites(location) -> list of favorites (possible in async calls)
diff --git a/doc/texture_packs.txt b/doc/texture_packs.txt
index 1813c29e4..89fdc0826 100644
--- a/doc/texture_packs.txt
+++ b/doc/texture_packs.txt
@@ -9,6 +9,7 @@ Texture pack directory structure
 
     textures
     |-- Texture Pack
+    |   |-- texture_pack.conf
     |   |-- screenshot.png
     |   |-- description.txt
     |   |-- override.txt
@@ -21,9 +22,17 @@ This is a directory containing the entire contents of a single texture pack.
 It can be chosen more or less freely and will also become the name of the
 texture pack. The name must not be “base”.
 
+### `texture_pack.conf`
+A key-value config file with the following keys:
+
+* `title` - human readable title
+* `description` - short description, shown in the content tab
+
 ### `description.txt`
+**Deprecated**, you should use texture_pack.conf instead.
+
 A file containing a short description of the texture pack to be shown in the
-texture packs tab.
+content tab.
 
 ### `screenshot.png`
 A preview image showing an in-game screenshot of this texture pack; it will be
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1b3d10ef5..0b2aab80f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -358,6 +358,7 @@ add_custom_target(GenerateVersion
 
 
 add_subdirectory(threading)
+add_subdirectory(content)
 add_subdirectory(database)
 add_subdirectory(gui)
 add_subdirectory(mapgen)
@@ -372,6 +373,7 @@ set(common_SRCS
 	${database_SRCS}
 	${mapgen_SRCS}
 	${server_SRCS}
+	${content_SRCS}
 	ban.cpp
 	chat.cpp
 	clientiface.cpp
@@ -403,7 +405,6 @@ set(common_SRCS
 	mapsector.cpp
 	metadata.cpp
 	modchannels.cpp
-	mods.cpp
 	nameidmapping.cpp
 	nodedef.cpp
 	nodemetadata.cpp
@@ -428,7 +429,6 @@ set(common_SRCS
 	serverobject.cpp
 	settings.cpp
 	staticobject.cpp
-	subgame.cpp
 	terminal_chat_console.cpp
 	tileanimation.cpp
 	tool.cpp
diff --git a/src/client.cpp b/src/client.cpp
index 87e5e12bc..d2f585de7 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -43,7 +43,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapblock.h"
 #include "minimap.h"
 #include "modchannels.h"
-#include "mods.h"
+#include "content/mods.h"
 #include "profiler.h"
 #include "shader.h"
 #include "gettext.h"
diff --git a/src/content/CMakeLists.txt b/src/content/CMakeLists.txt
new file mode 100644
index 000000000..5adcf6b1e
--- /dev/null
+++ b/src/content/CMakeLists.txt
@@ -0,0 +1,7 @@
+set(content_SRCS
+	${CMAKE_CURRENT_SOURCE_DIR}/content.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/packages.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/mods.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/subgames.cpp
+	PARENT_SCOPE
+)
diff --git a/src/content/content.cpp b/src/content/content.cpp
new file mode 100644
index 000000000..d45c5feab
--- /dev/null
+++ b/src/content/content.cpp
@@ -0,0 +1,108 @@
+/*
+Minetest
+Copyright (C) 2018 rubenwardy <rw@rubenwardy.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include <fstream>
+#include "content/content.h"
+#include "content/subgames.h"
+#include "content/mods.h"
+#include "filesys.h"
+#include "settings.h"
+
+enum ContentType
+{
+	ECT_UNKNOWN,
+	ECT_MOD,
+	ECT_MODPACK,
+	ECT_GAME,
+	ECT_TXP
+};
+
+ContentType getContentType(const ContentSpec &spec)
+{
+	std::ifstream modpack_is((spec.path + DIR_DELIM + "modpack.txt").c_str());
+	if (modpack_is.good()) {
+		modpack_is.close();
+		return ECT_MODPACK;
+	}
+
+	std::ifstream init_is((spec.path + DIR_DELIM + "init.lua").c_str());
+	if (init_is.good()) {
+		init_is.close();
+		return ECT_MOD;
+	}
+
+	std::ifstream game_is((spec.path + DIR_DELIM + "game.conf").c_str());
+	if (game_is.good()) {
+		game_is.close();
+		return ECT_GAME;
+	}
+
+	std::ifstream txp_is((spec.path + DIR_DELIM + "texture_pack.conf").c_str());
+	if (txp_is.good()) {
+		txp_is.close();
+		return ECT_TXP;
+	}
+
+	return ECT_UNKNOWN;
+}
+
+void parseContentInfo(ContentSpec &spec)
+{
+	std::string conf_path;
+
+	switch (getContentType(spec)) {
+	case ECT_MOD:
+		spec.type = "mod";
+		conf_path = spec.path + DIR_DELIM + "mod.conf";
+		break;
+	case ECT_MODPACK:
+		spec.type = "modpack";
+		conf_path = spec.path + DIR_DELIM + "mod.conf";
+		break;
+	case ECT_GAME:
+		spec.type = "game";
+		conf_path = spec.path + DIR_DELIM + "game.conf";
+		break;
+	case ECT_TXP:
+		spec.type = "txp";
+		conf_path = spec.path + DIR_DELIM + "texture_pack.conf";
+		break;
+	default:
+		spec.type = "unknown";
+		break;
+	}
+
+	Settings conf;
+	if (!conf_path.empty() && conf.readConfigFile(conf_path.c_str())) {
+		if (conf.exists("name"))
+			spec.name = conf.get("name");
+
+		if (conf.exists("description"))
+			spec.desc = conf.get("description");
+
+		if (conf.exists("author"))
+			spec.author = conf.get("author");
+	}
+
+	if (spec.desc.empty()) {
+		std::ifstream is((spec.path + DIR_DELIM + "description.txt").c_str());
+		spec.desc = std::string((std::istreambuf_iterator<char>(is)),
+				std::istreambuf_iterator<char>());
+	}
+}
diff --git a/src/content/content.h b/src/content/content.h
new file mode 100644
index 000000000..782a4fd7a
--- /dev/null
+++ b/src/content/content.h
@@ -0,0 +1,33 @@
+/*
+Minetest
+Copyright (C) 2018 rubenwardy <rw@rubenwardy.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+#include "config.h"
+#include "convert_json.h"
+
+struct ContentSpec
+{
+	std::string type;
+	std::string author;
+	std::string name;
+	std::string desc;
+	std::string path;
+};
+
+void parseContentInfo(ContentSpec &spec);
diff --git a/src/mods.cpp b/src/content/mods.cpp
index 6fa578f2f..694bbcca8 100644
--- a/src/mods.cpp
+++ b/src/content/mods.cpp
@@ -21,23 +21,23 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <fstream>
 #include <json/json.h>
 #include <algorithm>
-#include "mods.h"
+#include "content/mods.h"
 #include "filesys.h"
 #include "log.h"
-#include "subgame.h"
+#include "content/subgames.h"
 #include "settings.h"
 #include "porting.h"
 #include "convert_json.h"
 
-bool parseDependsString(std::string &dep,
-		std::unordered_set<char> &symbols)
+bool parseDependsString(std::string &dep, std::unordered_set<char> &symbols)
 {
 	dep = trim(dep);
 	symbols.clear();
 	size_t pos = dep.size();
-	while (pos > 0 && !string_allowed(dep.substr(pos-1, 1), MODNAME_ALLOWED_CHARS)) {
+	while (pos > 0 &&
+			!string_allowed(dep.substr(pos - 1, 1), MODNAME_ALLOWED_CHARS)) {
 		// last character is a symbol, not part of the modname
-		symbols.insert(dep[pos-1]);
+		symbols.insert(dep[pos - 1]);
 		--pos;
 	}
 	dep = trim(dep.substr(0, pos));
@@ -48,19 +48,22 @@ void parseModContents(ModSpec &spec)
 {
 	// NOTE: this function works in mutual recursion with getModsInPath
 	Settings info;
-	info.readConfigFile((spec.path+DIR_DELIM+"mod.conf").c_str());
+	info.readConfigFile((spec.path + DIR_DELIM + "mod.conf").c_str());
 
 	if (info.exists("name"))
 		spec.name = info.get("name");
 
+	if (info.exists("author"))
+		spec.author = info.get("author");
+
 	spec.depends.clear();
 	spec.optdepends.clear();
 	spec.is_modpack = false;
 	spec.modpack_content.clear();
 
 	// Handle modpacks (defined by containing modpack.txt)
-	std::ifstream modpack_is((spec.path+DIR_DELIM+"modpack.txt").c_str());
-	if (modpack_is.good()) { // a modpack, recursively get the mods in it
+	std::ifstream modpack_is((spec.path + DIR_DELIM + "modpack.txt").c_str());
+	if (modpack_is.good()) {    // a modpack, recursively get the mods in it
 		modpack_is.close(); // We don't actually need the file
 		spec.is_modpack = true;
 		spec.modpack_content = getModsInPath(spec.path, true);
@@ -73,8 +76,10 @@ void parseModContents(ModSpec &spec)
 		if (info.exists("depends")) {
 			mod_conf_has_depends = true;
 			std::string dep = info.get("depends");
+			// clang-format off
 			dep.erase(std::remove_if(dep.begin(), dep.end(),
-					static_cast<int(*)(int)>(&std::isspace)), dep.end());
+					static_cast<int (*)(int)>(&std::isspace)), dep.end());
+			// clang-format on
 			for (const auto &dependency : str_split(dep, ',')) {
 				spec.depends.insert(dependency);
 			}
@@ -83,8 +88,10 @@ void parseModContents(ModSpec &spec)
 		if (info.exists("optional_depends")) {
 			mod_conf_has_depends = true;
 			std::string dep = info.get("optional_depends");
+			// clang-format off
 			dep.erase(std::remove_if(dep.begin(), dep.end(),
-					static_cast<int(*)(int)>(&std::isspace)), dep.end());
+					static_cast<int (*)(int)>(&std::isspace)), dep.end());
+			// clang-format on
 			for (const auto &dependency : str_split(dep, ',')) {
 				spec.optdepends.insert(dependency);
 			}
@@ -116,15 +123,16 @@ void parseModContents(ModSpec &spec)
 		if (info.exists("description")) {
 			spec.desc = info.get("description");
 		} else {
-			std::ifstream is((spec.path + DIR_DELIM + "description.txt").c_str());
+			std::ifstream is((spec.path + DIR_DELIM + "description.txt")
+							 .c_str());
 			spec.desc = std::string((std::istreambuf_iterator<char>(is)),
 					std::istreambuf_iterator<char>());
 		}
 	}
 }
 
-std::map<std::string, ModSpec> getModsInPath(const std::string &path,
-	bool part_of_modpack)
+std::map<std::string, ModSpec> getModsInPath(
+		const std::string &path, bool part_of_modpack)
 {
 	// NOTE: this function works in mutual recursion with parseModContents
 
@@ -143,9 +151,7 @@ std::map<std::string, ModSpec> getModsInPath(const std::string &path,
 			continue;
 
 		modpath.clear();
-		modpath.append(path)
-			.append(DIR_DELIM)
-			.append(modname);
+		modpath.append(path).append(DIR_DELIM).append(modname);
 
 		ModSpec spec(modname, modpath, part_of_modpack);
 		parseModContents(spec);
@@ -162,10 +168,9 @@ std::vector<ModSpec> flattenMods(std::map<std::string, ModSpec> mods)
 		if (mod.is_modpack) {
 			std::vector<ModSpec> content = flattenMods(mod.modpack_content);
 			result.reserve(result.size() + content.size());
-			result.insert(result.end(),content.begin(),content.end());
+			result.insert(result.end(), content.begin(), content.end());
 
-		}
-		else //not a modpack
+		} else // not a modpack
 		{
 			result.push_back(mod);
 		}
@@ -180,7 +185,8 @@ ModConfiguration::ModConfiguration(const std::string &worldpath)
 void ModConfiguration::printUnsatisfiedModsError() const
 {
 	for (const ModSpec &mod : m_unsatisfied_mods) {
-		errorstream << "mod \"" << mod.name << "\" has unsatisfied dependencies: ";
+		errorstream << "mod \"" << mod.name
+			    << "\" has unsatisfied dependencies: ";
 		for (const std::string &unsatisfied_depend : mod.unsatisfied_depends)
 			errorstream << " \"" << unsatisfied_depend << "\"";
 		errorstream << std::endl;
@@ -197,12 +203,12 @@ void ModConfiguration::addMods(const std::vector<ModSpec> &new_mods)
 	// Maintain a map of all existing m_unsatisfied_mods.
 	// Keys are mod names and values are indices into m_unsatisfied_mods.
 	std::map<std::string, u32> existing_mods;
-	for(u32 i = 0; i < m_unsatisfied_mods.size(); ++i){
+	for (u32 i = 0; i < m_unsatisfied_mods.size(); ++i) {
 		existing_mods[m_unsatisfied_mods[i].name] = i;
 	}
 
 	// Add new mods
-	for(int want_from_modpack = 1; want_from_modpack >= 0; --want_from_modpack){
+	for (int want_from_modpack = 1; want_from_modpack >= 0; --want_from_modpack) {
 		// First iteration:
 		// Add all the mods that come from modpacks
 		// Second iteration:
@@ -218,14 +224,16 @@ void ModConfiguration::addMods(const std::vector<ModSpec> &new_mods)
 				// GOOD CASE: completely new mod.
 				m_unsatisfied_mods.push_back(mod);
 				existing_mods[mod.name] = m_unsatisfied_mods.size() - 1;
-			} else if(seen_this_iteration.count(mod.name) == 0) {
+			} else if (seen_this_iteration.count(mod.name) == 0) {
 				// BAD CASE: name conflict in different levels.
 				u32 oldindex = existing_mods[mod.name];
 				const ModSpec &oldmod = m_unsatisfied_mods[oldindex];
-				warningstream<<"Mod name conflict detected: \""
-					<<mod.name<<"\""<<std::endl
-					<<"Will not load: "<<oldmod.path<<std::endl
-					<<"Overridden by: "<<mod.path<<std::endl;
+				warningstream << "Mod name conflict detected: \""
+					      << mod.name << "\"" << std::endl
+					      << "Will not load: " << oldmod.path
+					      << std::endl
+					      << "Overridden by: " << mod.path
+					      << std::endl;
 				m_unsatisfied_mods[oldindex] = mod;
 
 				// If there was a "VERY BAD CASE" name conflict
@@ -235,10 +243,12 @@ void ModConfiguration::addMods(const std::vector<ModSpec> &new_mods)
 				// VERY BAD CASE: name conflict in the same level.
 				u32 oldindex = existing_mods[mod.name];
 				const ModSpec &oldmod = m_unsatisfied_mods[oldindex];
-				warningstream<<"Mod name conflict detected: \""
-					<<mod.name<<"\""<<std::endl
-					<<"Will not load: "<<oldmod.path<<std::endl
-					<<"Will not load: "<<mod.path<<std::endl;
+				warningstream << "Mod name conflict detected: \""
+					      << mod.name << "\"" << std::endl
+					      << "Will not load: " << oldmod.path
+					      << std::endl
+					      << "Will not load: " << mod.path
+					      << std::endl;
 				m_unsatisfied_mods[oldindex] = mod;
 				m_name_conflicts.insert(mod.name);
 			}
@@ -248,7 +258,8 @@ void ModConfiguration::addMods(const std::vector<ModSpec> &new_mods)
 	}
 }
 
-void ModConfiguration::addModsFromConfig(const std::string &settings_path, const std::set<std::string> &mods)
+void ModConfiguration::addModsFromConfig(
+		const std::string &settings_path, const std::set<std::string> &mods)
 {
 	Settings conf;
 	std::set<std::string> load_mod_names;
@@ -256,7 +267,7 @@ void ModConfiguration::addModsFromConfig(const std::string &settings_path, const
 	conf.readConfigFile(settings_path.c_str());
 	std::vector<std::string> names = conf.getNames();
 	for (const std::string &name : names) {
-		if (name.compare(0,9,"load_mod_")==0 && conf.getBool(name))
+		if (name.compare(0, 9, "load_mod_") == 0 && conf.getBool(name))
 			load_mod_names.insert(name.substr(9));
 	}
 
@@ -265,7 +276,7 @@ void ModConfiguration::addModsFromConfig(const std::string &settings_path, const
 		std::vector<ModSpec> addon_mods_in_path = flattenMods(getModsInPath(i));
 		for (std::vector<ModSpec>::const_iterator it = addon_mods_in_path.begin();
 				it != addon_mods_in_path.end(); ++it) {
-			const ModSpec& mod = *it;
+			const ModSpec &mod = *it;
 			if (load_mod_names.count(mod.name) != 0)
 				addon_mods.push_back(mod);
 			else
@@ -300,8 +311,10 @@ void ModConfiguration::checkConflictsAndDeps()
 	if (!m_name_conflicts.empty()) {
 		std::string s = "Unresolved name conflicts for mods ";
 		for (std::unordered_set<std::string>::const_iterator it =
-			m_name_conflicts.begin(); it != m_name_conflicts.end(); ++it) {
-			if (it != m_name_conflicts.begin()) s += ", ";
+						m_name_conflicts.begin();
+				it != m_name_conflicts.end(); ++it) {
+			if (it != m_name_conflicts.begin())
+				s += ", ";
 			s += std::string("\"") + (*it) + "\"";
 		}
 		s += ".";
@@ -340,12 +353,12 @@ void ModConfiguration::resolveDependencies()
 
 	// Step 3: mods without unmet dependencies can be appended to
 	// the sorted list.
-	while(!satisfied.empty()){
+	while (!satisfied.empty()) {
 		ModSpec mod = satisfied.back();
 		m_sorted_mods.push_back(mod);
 		satisfied.pop_back();
-		for (auto it = unsatisfied.begin(); it != unsatisfied.end(); ) {
-			ModSpec& mod2 = *it;
+		for (auto it = unsatisfied.begin(); it != unsatisfied.end();) {
+			ModSpec &mod2 = *it;
 			mod2.unsatisfied_depends.erase(mod.name);
 			if (mod2.unsatisfied_depends.empty()) {
 				satisfied.push_back(mod2);
@@ -361,8 +374,8 @@ void ModConfiguration::resolveDependencies()
 }
 
 #ifndef SERVER
-ClientModConfiguration::ClientModConfiguration(const std::string &path):
-	ModConfiguration(path)
+ClientModConfiguration::ClientModConfiguration(const std::string &path) :
+		ModConfiguration(path)
 {
 	std::set<std::string> paths;
 	std::string path_user = porting::path_user + DIR_DELIM + "clientmods";
@@ -374,8 +387,7 @@ ClientModConfiguration::ClientModConfiguration(const std::string &path):
 }
 #endif
 
-ModMetadata::ModMetadata(const std::string &mod_name):
-	m_mod_name(mod_name)
+ModMetadata::ModMetadata(const std::string &mod_name) : m_mod_name(mod_name)
 {
 }
 
@@ -395,23 +407,25 @@ bool ModMetadata::save(const std::string &root_path)
 
 	if (!fs::PathExists(root_path)) {
 		if (!fs::CreateAllDirs(root_path)) {
-			errorstream << "ModMetadata[" << m_mod_name << "]: Unable to save. '"
-				<< root_path << "' tree cannot be created." << std::endl;
+			errorstream << "ModMetadata[" << m_mod_name
+				    << "]: Unable to save. '" << root_path
+				    << "' tree cannot be created." << std::endl;
 			return false;
 		}
 	} else if (!fs::IsDir(root_path)) {
 		errorstream << "ModMetadata[" << m_mod_name << "]: Unable to save. '"
-			<< root_path << "' is not a directory." << std::endl;
+			    << root_path << "' is not a directory." << std::endl;
 		return false;
 	}
 
-	bool w_ok = fs::safeWriteToFile(root_path + DIR_DELIM + m_mod_name,
-			fastWriteJson(json));
+	bool w_ok = fs::safeWriteToFile(
+			root_path + DIR_DELIM + m_mod_name, fastWriteJson(json));
 
 	if (w_ok) {
 		m_modified = false;
 	} else {
-		errorstream << "ModMetadata[" << m_mod_name << "]: failed write file." << std::endl;
+		errorstream << "ModMetadata[" << m_mod_name << "]: failed write file."
+			    << std::endl;
 	}
 	return w_ok;
 }
@@ -420,7 +434,8 @@ bool ModMetadata::load(const std::string &root_path)
 {
 	m_stringvars.clear();
 
-	std::ifstream is((root_path + DIR_DELIM + m_mod_name).c_str(), std::ios_base::binary);
+	std::ifstream is((root_path + DIR_DELIM + m_mod_name).c_str(),
+			std::ios_base::binary);
 	if (!is.good()) {
 		return false;
 	}
@@ -431,8 +446,10 @@ bool ModMetadata::load(const std::string &root_path)
 	std::string errs;
 
 	if (!Json::parseFromStream(builder, is, &root, &errs)) {
-		errorstream << "ModMetadata[" << m_mod_name << "]: failed read data "
-			"(Json decoding failure). Message: " << errs << std::endl;
+		errorstream << "ModMetadata[" << m_mod_name
+			    << "]: failed read data "
+			       "(Json decoding failure). Message: "
+			    << errs << std::endl;
 		return false;
 	}
 
diff --git a/src/mods.h b/src/content/mods.h
index 3063edaa2..a7cad07cf 100644
--- a/src/mods.h
+++ b/src/content/mods.h
@@ -36,10 +36,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 struct ModSpec
 {
 	std::string name;
+	std::string author;
 	std::string path;
 	std::string desc;
 
-	//if normal mod:
+	// if normal mod:
 	std::unordered_set<std::string> depends;
 	std::unordered_set<std::string> optdepends;
 	std::unordered_set<std::string> unsatisfied_depends;
@@ -48,26 +49,25 @@ struct ModSpec
 	bool is_modpack = false;
 
 	// if modpack:
-	std::map<std::string,ModSpec> modpack_content;
-	ModSpec(const std::string &name_ = "", const std::string &path_ = ""):
-		name(name_),
-		path(path_)
-	{}
-	ModSpec(const std::string &name_, const std::string &path_, bool part_of_modpack_):
-		name(name_),
-		path(path_),
-		part_of_modpack(part_of_modpack_)
-	{}
+	std::map<std::string, ModSpec> modpack_content;
+	ModSpec(const std::string &name = "", const std::string &path = "") :
+			name(name), path(path)
+	{
+	}
+	ModSpec(const std::string &name, const std::string &path, bool part_of_modpack) :
+			name(name), path(path), part_of_modpack(part_of_modpack)
+	{
+	}
 };
 
 // Retrieves depends, optdepends, is_modpack and modpack_content
 void parseModContents(ModSpec &mod);
 
-std::map<std::string,ModSpec> getModsInPath(const std::string &path,
-	bool part_of_modpack = false);
+std::map<std::string, ModSpec> getModsInPath(
+		const std::string &path, bool part_of_modpack = false);
 
 // replaces modpack Modspecs with their content
-std::vector<ModSpec> flattenMods(std::map<std::string,ModSpec> mods);
+std::vector<ModSpec> flattenMods(std::map<std::string, ModSpec> mods);
 
 // a ModConfiguration is a subset of installed mods, expected to have
 // all dependencies fullfilled, so it can be used as a list of mods to
@@ -76,15 +76,9 @@ class ModConfiguration
 {
 public:
 	// checks if all dependencies are fullfilled.
-	bool isConsistent() const
-	{
-		return m_unsatisfied_mods.empty();
-	}
+	bool isConsistent() const { return m_unsatisfied_mods.empty(); }
 
-	const std::vector<ModSpec> &getMods() const
-	{
-		return m_sorted_mods;
-	}
+	const std::vector<ModSpec> &getMods() const { return m_sorted_mods; }
 
 	const std::vector<ModSpec> &getUnsatisfiedMods() const
 	{
@@ -102,9 +96,11 @@ protected:
 	// adds all mods in the set.
 	void addMods(const std::vector<ModSpec> &new_mods);
 
-	void addModsFromConfig(const std::string &settings_path, const std::set<std::string> &mods);
+	void addModsFromConfig(const std::string &settings_path,
+			const std::set<std::string> &mods);
 
 	void checkConflictsAndDeps();
+
 protected:
 	// list of mods sorted such that they can be loaded in the
 	// given order with all dependencies being fullfilled. I.e.,
@@ -133,18 +129,17 @@ private:
 
 	// Deleted default constructor
 	ModConfiguration() = default;
-
 };
 
 #ifndef SERVER
-class ClientModConfiguration: public ModConfiguration
+class ClientModConfiguration : public ModConfiguration
 {
 public:
 	ClientModConfiguration(const std::string &path);
 };
 #endif
 
-class ModMetadata: public Metadata
+class ModMetadata : public Metadata
 {
 public:
 	ModMetadata() = delete;
@@ -160,6 +155,7 @@ public:
 	const std::string &getModName() const { return m_mod_name; }
 
 	virtual bool setString(const std::string &name, const std::string &var);
+
 private:
 	std::string m_mod_name;
 	bool m_modified = false;
diff --git a/src/content/packages.cpp b/src/content/packages.cpp
new file mode 100644
index 000000000..a769c31af
--- /dev/null
+++ b/src/content/packages.cpp
@@ -0,0 +1,68 @@
+/*
+Minetest
+Copyright (C) 2018 rubenwardy <rw@rubenwardy.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "content/packages.h"
+#include "log.h"
+#include "filesys.h"
+#include "porting.h"
+#include "settings.h"
+#include "content/mods.h"
+#include "content/subgames.h"
+
+#if USE_CURL
+std::vector<Package> getPackagesFromURL(const std::string &url)
+{
+	std::vector<std::string> extra_headers;
+	extra_headers.emplace_back("Accept: application/json");
+
+	Json::Value json = fetchJsonValue(url, &extra_headers);
+	if (!json.isArray()) {
+		errorstream << "Invalid JSON download " << std::endl;
+		return std::vector<Package>();
+	}
+
+	std::vector<Package> packages;
+
+	// Note: `unsigned int` is required to index JSON
+	for (unsigned int i = 0; i < json.size(); ++i) {
+		Package package;
+
+		package.name = json[i]["name"].asString();
+		package.title = json[i]["title"].asString();
+		package.author = json[i]["author"].asString();
+		package.type = json[i]["type"].asString();
+		package.shortDesc = json[i]["shortDesc"].asString();
+		package.url = json[i]["url"].asString();
+
+		Json::Value jScreenshots = json[i]["screenshots"];
+		for (unsigned int j = 0; j < jScreenshots.size(); ++j) {
+			package.screenshots.push_back(jScreenshots[j].asString());
+		}
+
+		if (package.valid()) {
+			packages.push_back(package);
+		} else {
+			errorstream << "Invalid package at " << i << std::endl;
+		}
+	}
+
+	return packages;
+}
+
+#endif
diff --git a/src/content/packages.h b/src/content/packages.h
new file mode 100644
index 000000000..6774678de
--- /dev/null
+++ b/src/content/packages.h
@@ -0,0 +1,49 @@
+/*
+Minetest
+Copyright (C) 2018 rubenwardy <rw@rubenwardy.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+#include "config.h"
+#include "convert_json.h"
+
+struct Package
+{
+	std::string name; // Technical name
+	std::string title;
+	std::string author;
+	std::string type; // One of "mod", "game", or "txp"
+
+	std::string shortDesc;
+	std::string url; // download URL
+	std::vector<std::string> screenshots;
+
+	bool valid()
+	{
+		return !(name.empty() || title.empty() || author.empty() ||
+				type.empty() || url.empty());
+	}
+};
+
+#if USE_CURL
+std::vector<Package> getPackagesFromURL(const std::string &url);
+#else
+inline std::vector<Package> getPackagesFromURL(const std::string &url)
+{
+	return std::vector<Package>();
+}
+#endif
diff --git a/src/subgame.cpp b/src/content/subgames.cpp
index f5ff870fb..fd6231a1f 100644
--- a/src/subgame.cpp
+++ b/src/content/subgames.cpp
@@ -17,18 +17,18 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "subgame.h"
+#include "content/subgames.h"
 #include "porting.h"
 #include "filesys.h"
 #include "settings.h"
 #include "log.h"
 #include "util/strfnd.h"
-#include "defaultsettings.h"  // for override_default_settings
-#include "mapgen/mapgen.h"  // for MapgenParams
+#include "defaultsettings.h" // for override_default_settings
+#include "mapgen/mapgen.h"   // for MapgenParams
 #include "util/string.h"
 
 #ifndef SERVER
-	#include "client/tile.h" // getImagePath
+#include "client/tile.h" // getImagePath
 #endif
 
 bool getGameMinetestConfig(const std::string &game_path, Settings &conf)
@@ -37,30 +37,14 @@ bool getGameMinetestConfig(const std::string &game_path, Settings &conf)
 	return conf.readConfigFile(conf_path.c_str());
 }
 
-bool getGameConfig(const std::string &game_path, Settings &conf)
-{
-	std::string conf_path = game_path + DIR_DELIM + "game.conf";
-	return conf.readConfigFile(conf_path.c_str());
-}
-
-std::string getGameName(const std::string &game_path)
-{
-	Settings conf;
-	if(!getGameConfig(game_path, conf))
-		return "";
-	if(!conf.exists("name"))
-		return "";
-	return conf.get("name");
-}
-
 struct GameFindPath
 {
 	std::string path;
 	bool user_specific;
-	GameFindPath(const std::string &path, bool user_specific):
-		path(path),
-		user_specific(user_specific)
-	{}
+	GameFindPath(const std::string &path, bool user_specific) :
+			path(path), user_specific(user_specific)
+	{
+	}
 };
 
 std::string getSubgamePathEnv()
@@ -75,21 +59,24 @@ SubgameSpec findSubgame(const std::string &id)
 		return SubgameSpec();
 	std::string share = porting::path_share;
 	std::string user = porting::path_user;
-	std::vector<GameFindPath> find_paths;
 
+	// Get games install locations
 	Strfnd search_paths(getSubgamePathEnv());
 
+	// Get all possible paths fo game
+	std::vector<GameFindPath> find_paths;
 	while (!search_paths.at_end()) {
 		std::string path = search_paths.next(PATH_DELIM);
 		find_paths.emplace_back(path + DIR_DELIM + id, false);
 		find_paths.emplace_back(path + DIR_DELIM + id + "_game", false);
 	}
-
-	find_paths.emplace_back(user + DIR_DELIM + "games" + DIR_DELIM + id + "_game", true);
+	find_paths.emplace_back(
+			user + DIR_DELIM + "games" + DIR_DELIM + id + "_game", true);
 	find_paths.emplace_back(user + DIR_DELIM + "games" + DIR_DELIM + id, true);
-	find_paths.emplace_back(share + DIR_DELIM + "games" + DIR_DELIM + id + "_game",
-		false);
+	find_paths.emplace_back(
+			share + DIR_DELIM + "games" + DIR_DELIM + id + "_game", false);
 	find_paths.emplace_back(share + DIR_DELIM + "games" + DIR_DELIM + id, false);
+
 	// Find game directory
 	std::string game_path;
 	bool user_game = true; // Game is in user's directory
@@ -101,24 +88,41 @@ SubgameSpec findSubgame(const std::string &id)
 			break;
 		}
 	}
+
 	if (game_path.empty())
 		return SubgameSpec();
+
 	std::string gamemod_path = game_path + DIR_DELIM + "mods";
+
 	// Find mod directories
 	std::set<std::string> mods_paths;
-	if(!user_game)
+	if (!user_game)
 		mods_paths.insert(share + DIR_DELIM + "mods");
-	if(user != share || user_game)
+	if (user != share || user_game)
 		mods_paths.insert(user + DIR_DELIM + "mods");
-	std::string game_name = getGameName(game_path);
-	if (game_name.empty())
+
+	// Get meta
+	std::string conf_path = game_path + DIR_DELIM + "game.conf";
+	Settings conf;
+	conf.readConfigFile(conf_path.c_str());
+
+	std::string game_name;
+	if (conf.exists("name"))
+		game_name = conf.get("name");
+	else
 		game_name = id;
+
+	std::string game_author;
+	if (conf.exists("author"))
+		game_author = conf.get("author");
+
 	std::string menuicon_path;
 #ifndef SERVER
-	menuicon_path = getImagePath(game_path + DIR_DELIM + "menu" + DIR_DELIM + "icon.png");
+	menuicon_path = getImagePath(
+			game_path + DIR_DELIM + "menu" + DIR_DELIM + "icon.png");
 #endif
 	return SubgameSpec(id, game_path, gamemod_path, mods_paths, game_name,
-			menuicon_path);
+			menuicon_path, game_author);
 }
 
 SubgameSpec findWorldSubgame(const std::string &world_path)
@@ -126,14 +130,21 @@ SubgameSpec findWorldSubgame(const std::string &world_path)
 	std::string world_gameid = getWorldGameId(world_path, true);
 	// See if world contains an embedded game; if so, use it.
 	std::string world_gamepath = world_path + DIR_DELIM + "game";
-	if(fs::PathExists(world_gamepath)){
+	if (fs::PathExists(world_gamepath)) {
 		SubgameSpec gamespec;
 		gamespec.id = world_gameid;
 		gamespec.path = world_gamepath;
-		gamespec.gamemods_path= world_gamepath + DIR_DELIM + "mods";
-		gamespec.name = getGameName(world_gamepath);
-		if (gamespec.name.empty())
-			gamespec.name = "unknown";
+		gamespec.gamemods_path = world_gamepath + DIR_DELIM + "mods";
+
+		Settings conf;
+		std::string conf_path = world_gamepath + DIR_DELIM + "game.conf";
+		conf.readConfigFile(conf_path.c_str());
+
+		if (conf.exists("name"))
+			gamespec.name = conf.get("name");
+		else
+			gamespec.name = world_gameid;
+
 		return gamespec;
 	}
 	return findSubgame(world_gameid);
@@ -154,12 +165,16 @@ std::set<std::string> getAvailableGameIds()
 	for (const std::string &gamespath : gamespaths) {
 		std::vector<fs::DirListNode> dirlist = fs::GetDirListing(gamespath);
 		for (const fs::DirListNode &dln : dirlist) {
-			if(!dln.dir)
+			if (!dln.dir)
 				continue;
+
 			// If configuration file is not found or broken, ignore game
 			Settings conf;
-			if(!getGameConfig(gamespath + DIR_DELIM + dln.name, conf))
+			std::string conf_path = gamespath + DIR_DELIM + dln.name +
+						DIR_DELIM + "game.conf";
+			if (!conf.readConfigFile(conf_path.c_str()))
 				continue;
+
 			// Add it to result
 			const char *ends[] = {"_game", NULL};
 			std::string shorter = removeStringEnd(dln.name, ends);
@@ -194,18 +209,18 @@ std::string getWorldGameId(const std::string &world_path, bool can_be_legacy)
 	std::string conf_path = world_path + DIR_DELIM + "world.mt";
 	Settings conf;
 	bool succeeded = conf.readConfigFile(conf_path.c_str());
-	if(!succeeded){
-		if(can_be_legacy){
+	if (!succeeded) {
+		if (can_be_legacy) {
 			// If map_meta.txt exists, it is probably an old minetest world
-			if(fs::PathExists(world_path + DIR_DELIM + "map_meta.txt"))
+			if (fs::PathExists(world_path + DIR_DELIM + "map_meta.txt"))
 				return LEGACY_GAMEID;
 		}
 		return "";
 	}
-	if(!conf.exists("gameid"))
+	if (!conf.exists("gameid"))
 		return "";
 	// The "mesetint" gameid has been discarded
-	if(conf.get("gameid") == "mesetint")
+	if (conf.get("gameid") == "mesetint")
 		return "minetest";
 	return conf.get("gameid");
 }
@@ -229,10 +244,10 @@ std::vector<WorldSpec> getAvailableWorlds()
 	worldspaths.insert(porting::path_user + DIR_DELIM + "worlds");
 	infostream << "Searching worlds..." << std::endl;
 	for (const std::string &worldspath : worldspaths) {
-		infostream << "  In " << worldspath << ": " <<std::endl;
+		infostream << "  In " << worldspath << ": " << std::endl;
 		std::vector<fs::DirListNode> dirvector = fs::GetDirListing(worldspath);
 		for (const fs::DirListNode &dln : dirvector) {
-			if(!dln.dir)
+			if (!dln.dir)
 				continue;
 			std::string fullpath = worldspath + DIR_DELIM + dln.name;
 			std::string name = dln.name;
@@ -240,27 +255,27 @@ std::vector<WorldSpec> getAvailableWorlds()
 			bool can_be_legacy = true;
 			std::string gameid = getWorldGameId(fullpath, can_be_legacy);
 			WorldSpec spec(fullpath, name, gameid);
-			if(!spec.isValid()){
-				infostream<<"(invalid: "<<name<<") ";
+			if (!spec.isValid()) {
+				infostream << "(invalid: " << name << ") ";
 			} else {
-				infostream<<name<<" ";
+				infostream << name << " ";
 				worlds.push_back(spec);
 			}
 		}
-		infostream<<std::endl;
+		infostream << std::endl;
 	}
 	// Check old world location
-	do{
+	do {
 		std::string fullpath = porting::path_user + DIR_DELIM + "world";
-		if(!fs::PathExists(fullpath))
+		if (!fs::PathExists(fullpath))
 			break;
 		std::string name = "Old World";
 		std::string gameid = getWorldGameId(fullpath, true);
 		WorldSpec spec(fullpath, name, gameid);
-		infostream<<"Old world found."<<std::endl;
+		infostream << "Old world found." << std::endl;
 		worlds.push_back(spec);
-	}while(false);
-	infostream<<worlds.size()<<" found."<<std::endl;
+	} while (false);
+	infostream << worlds.size() << " found." << std::endl;
 	return worlds;
 }
 
@@ -297,8 +312,9 @@ bool loadGameConfAndInitWorld(const std::string &path, const SubgameSpec &gamesp
 
 	// Create map_meta.txt if does not already exist
 	std::string map_meta_path = path + DIR_DELIM + "map_meta.txt";
-	if (!fs::PathExists(map_meta_path)){
-		verbosestream << "Creating map_meta.txt (" << map_meta_path << ")" << std::endl;
+	if (!fs::PathExists(map_meta_path)) {
+		verbosestream << "Creating map_meta.txt (" << map_meta_path << ")"
+			      << std::endl;
 		fs::CreateAllDirs(path);
 		std::ostringstream oss(std::ios_base::binary);
 
@@ -314,4 +330,3 @@ bool loadGameConfAndInitWorld(const std::string &path, const SubgameSpec &gamesp
 	}
 	return true;
 }
-
diff --git a/src/subgame.h b/src/content/subgames.h
index 6e7863962..70a9d2713 100644
--- a/src/subgame.h
+++ b/src/content/subgames.h
@@ -27,39 +27,33 @@ class Settings;
 
 struct SubgameSpec
 {
-	std::string id; // "" = game does not exist
-	std::string path; // path to game
-	std::string gamemods_path; //path to mods of the game
-	std::set<std::string> addon_mods_paths; //paths to addon mods for this game
+	std::string id;
 	std::string name;
+	std::string author;
+	std::string path;
+	std::string gamemods_path;
+	std::set<std::string> addon_mods_paths;
 	std::string menuicon_path;
 
-	SubgameSpec(const std::string &id_ = "",
-			const std::string &path_ = "",
-			const std::string &gamemods_path_ = "",
-			const std::set<std::string> &addon_mods_paths_ = std::set<std::string>(),
-			const std::string &name_ = "",
-			const std::string &menuicon_path_ = ""):
-		id(id_),
-		path(path_),
-		gamemods_path(gamemods_path_),
-		addon_mods_paths(addon_mods_paths_),
-		name(name_),
-		menuicon_path(menuicon_path_)
-	{}
-
-	bool isValid() const
+	SubgameSpec(const std::string &id = "", const std::string &path = "",
+			const std::string &gamemods_path = "",
+			const std::set<std::string> &addon_mods_paths =
+					std::set<std::string>(),
+			const std::string &name = "",
+			const std::string &menuicon_path = "",
+			const std::string &author = "") :
+			id(id),
+			name(name), author(author), path(path),
+			gamemods_path(gamemods_path), addon_mods_paths(addon_mods_paths),
+			menuicon_path(menuicon_path)
 	{
-		return (!id.empty() && !path.empty());
 	}
+
+	bool isValid() const { return (!id.empty() && !path.empty()); }
 };
 
 // minetest.conf
 bool getGameMinetestConfig(const std::string &game_path, Settings &conf);
-// game.conf
-bool getGameConfig(const std::string &game_path, Settings &conf);
-
-std::string getGameName(const std::string &game_path);
 
 SubgameSpec findSubgame(const std::string &id);
 SubgameSpec findWorldSubgame(const std::string &world_path);
@@ -68,8 +62,7 @@ std::set<std::string> getAvailableGameIds();
 std::vector<SubgameSpec> getAvailableGames();
 
 bool getWorldExists(const std::string &world_path);
-std::string getWorldGameId(const std::string &world_path,
-		bool can_be_legacy=false);
+std::string getWorldGameId(const std::string &world_path, bool can_be_legacy = false);
 
 struct WorldSpec
 {
@@ -77,15 +70,12 @@ struct WorldSpec
 	std::string name;
 	std::string gameid;
 
-	WorldSpec(
-		const std::string &path_="",
-		const std::string &name_="",
-		const std::string &gameid_=""
-	):
-		path(path_),
-		name(name_),
-		gameid(gameid_)
-	{}
+	WorldSpec(const std::string &path = "", const std::string &name = "",
+			const std::string &gameid = "") :
+			path(path),
+			name(name), gameid(gameid)
+	{
+	}
 
 	bool isValid() const
 	{
diff --git a/src/convert_json.cpp b/src/convert_json.cpp
index bfd7f39c4..c774aa002 100644
--- a/src/convert_json.cpp
+++ b/src/convert_json.cpp
@@ -22,7 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <sstream>
 
 #include "convert_json.h"
-#include "mods.h"
+#include "content/mods.h"
 #include "config.h"
 #include "log.h"
 #include "settings.h"
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index 0c13e052d..8a39d7363 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -284,6 +284,7 @@ void set_default_settings(Settings *settings)
 #endif
 	settings->setDefault("font_size", font_size_str);
 	settings->setDefault("mono_font_size", font_size_str);
+	settings->setDefault("contentdb_url", "https://contentdb.rubenwardy.com");
 
 
 	// Server
diff --git a/src/httpfetch.cpp b/src/httpfetch.cpp
index d8504ad64..6b67e0e13 100644
--- a/src/httpfetch.cpp
+++ b/src/httpfetch.cpp
@@ -245,7 +245,7 @@ HTTPFetchOngoing::HTTPFetchOngoing(const HTTPFetchRequest &request_,
 	curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
 	curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
 	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
-	curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 1);
+	curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 3);
 	curl_easy_setopt(curl, CURLOPT_ENCODING, "gzip");
 
 	std::string bind_address = g_settings->get("bind_address");
diff --git a/src/script/cpp_api/s_base.cpp b/src/script/cpp_api/s_base.cpp
index 571bac611..54ff8c495 100644
--- a/src/script/cpp_api/s_base.cpp
+++ b/src/script/cpp_api/s_base.cpp
@@ -24,7 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "common/c_converter.h"
 #include "serverobject.h"
 #include "filesys.h"
-#include "mods.h"
+#include "content/mods.h"
 #include "porting.h"
 #include "util/string.h"
 #include "server.h"
diff --git a/src/script/lua_api/l_base.cpp b/src/script/lua_api/l_base.cpp
index 5d7ba9640..8ab0a20b6 100644
--- a/src/script/lua_api/l_base.cpp
+++ b/src/script/lua_api/l_base.cpp
@@ -20,7 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "lua_api/l_base.h"
 #include "lua_api/l_internal.h"
 #include "cpp_api/s_base.h"
-#include <mods.h>
+#include "content/mods.h"
 #include <server.h>
 
 ScriptApiBase *ModApiBase::getScriptApiBase(lua_State *L)
diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index 027b7b0f8..241427709 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -25,11 +25,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "gui/guiMainMenu.h"
 #include "gui/guiKeyChangeMenu.h"
 #include "gui/guiPathSelectMenu.h"
-#include "subgame.h"
 #include "version.h"
 #include "porting.h"
 #include "filesys.h"
 #include "convert_json.h"
+#include "content/packages.h"
+#include "content/content.h"
+#include "content/subgames.h"
 #include "serverlist.h"
 #include "mapgen/mapgen.h"
 #include "settings.h"
@@ -449,6 +451,10 @@ int ModApiMainMenu::l_get_games(lua_State *L)
 		lua_pushstring(L, game.path.c_str());
 		lua_settable(L,   top_lvl2);
 
+		lua_pushstring(L, "type");
+		lua_pushstring(L, "game");
+		lua_settable(L,   top_lvl2);
+
 		lua_pushstring(L, "gamemods_path");
 		lua_pushstring(L, game.gamemods_path.c_str());
 		lua_settable(L,   top_lvl2);
@@ -457,6 +463,10 @@ int ModApiMainMenu::l_get_games(lua_State *L)
 		lua_pushstring(L, game.name.c_str());
 		lua_settable(L,   top_lvl2);
 
+		lua_pushstring(L, "author");
+		lua_pushstring(L, game.author.c_str());
+		lua_settable(L,   top_lvl2);
+
 		lua_pushstring(L, "menuicon_path");
 		lua_pushstring(L, game.menuicon_path.c_str());
 		lua_settable(L,   top_lvl2);
@@ -479,47 +489,56 @@ int ModApiMainMenu::l_get_games(lua_State *L)
 }
 
 /******************************************************************************/
-int ModApiMainMenu::l_get_mod_info(lua_State *L)
+int ModApiMainMenu::l_get_content_info(lua_State *L)
 {
 	std::string path = luaL_checkstring(L, 1);
 
-	ModSpec spec;
+	ContentSpec spec;
 	spec.path = path;
-	parseModContents(spec);
+	parseContentInfo(spec);
 
 	lua_newtable(L);
 
 	lua_pushstring(L, spec.name.c_str());
 	lua_setfield(L, -2, "name");
 
-	lua_pushstring(L, spec.is_modpack ? "modpack" : "mod");
+	lua_pushstring(L, spec.type.c_str());
 	lua_setfield(L, -2, "type");
 
+	lua_pushstring(L, spec.author.c_str());
+	lua_setfield(L, -2, "author");
+
 	lua_pushstring(L, spec.desc.c_str());
 	lua_setfield(L, -2, "description");
 
 	lua_pushstring(L, spec.path.c_str());
 	lua_setfield(L, -2, "path");
 
-	// Dependencies
-	lua_newtable(L);
-	int i = 1;
-	for (const auto &dep : spec.depends) {
-		lua_pushstring(L, dep.c_str());
-		lua_rawseti(L, -2, i);
-		i++;
-	}
-	lua_setfield(L, -2, "depends");
+	if (spec.type == "mod") {
+		ModSpec spec;
+		spec.path = path;
+		parseModContents(spec);
 
-	// Optional Dependencies
-	lua_newtable(L);
-	i = 1;
-	for (const auto &dep : spec.optdepends) {
-		lua_pushstring(L, dep.c_str());
-		lua_rawseti(L, -2, i);
-		i++;
+		// Dependencies
+		lua_newtable(L);
+		int i = 1;
+		for (const auto &dep : spec.depends) {
+			lua_pushstring(L, dep.c_str());
+			lua_rawseti(L, -2, i);
+			i++;
+		}
+		lua_setfield(L, -2, "depends");
+
+		// Optional Dependencies
+		lua_newtable(L);
+		i = 1;
+		for (const auto &dep : spec.optdepends) {
+			lua_pushstring(L, dep.c_str());
+			lua_rawseti(L, -2, i);
+			i++;
+		}
+		lua_setfield(L, -2, "optional_depends");
 	}
-	lua_setfield(L, -2, "optional_depends");
 
 	return 1;
 }
@@ -838,6 +857,10 @@ bool ModApiMainMenu::isMinetestPath(std::string path)
 	if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "mods")))
 		return true;
 
+	/* mods */
+	if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "textures")))
+		return true;
+
 	/* worlds */
 	if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "worlds")))
 		return true;
@@ -972,6 +995,54 @@ int ModApiMainMenu::l_get_screen_info(lua_State *L)
 	return 1;
 }
 
+int ModApiMainMenu::l_get_package_list(lua_State *L)
+{
+	std::string url = g_settings->get("contentdb_url");
+	std::vector<Package> packages = getPackagesFromURL(url + "/packages/");
+
+	// Make table
+	lua_newtable(L);
+	int top = lua_gettop(L);
+	unsigned int index = 1;
+
+	// Fill table
+	for (const auto &package : packages) {
+		lua_pushnumber(L, index);
+		lua_newtable(L);
+
+		int top_lvl2 = lua_gettop(L);
+
+		lua_pushstring(L, "name");
+		lua_pushstring(L, package.name.c_str());
+		lua_settable  (L, top_lvl2);
+
+		lua_pushstring(L, "title");
+		lua_pushstring(L, package.title.c_str());
+		lua_settable  (L, top_lvl2);
+
+		lua_pushstring(L, "author");
+		lua_pushstring(L, package.author.c_str());
+		lua_settable  (L, top_lvl2);
+
+		lua_pushstring(L, "type");
+		lua_pushstring(L, package.type.c_str());
+		lua_settable  (L, top_lvl2);
+
+		lua_pushstring(L, "short_description");
+		lua_pushstring(L, package.shortDesc.c_str());
+		lua_settable  (L, top_lvl2);
+
+		lua_pushstring(L, "url");
+		lua_pushstring(L, package.url.c_str());
+		lua_settable  (L, top_lvl2);
+
+		lua_settable(L, top);
+		index++;
+	}
+
+	return 1;
+}
+
 /******************************************************************************/
 int ModApiMainMenu::l_get_min_supp_proto(lua_State *L)
 {
@@ -1015,7 +1086,7 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 	API_FCT(get_table_index);
 	API_FCT(get_worlds);
 	API_FCT(get_games);
-	API_FCT(get_mod_info);
+	API_FCT(get_content_info);
 	API_FCT(start);
 	API_FCT(close);
 	API_FCT(get_favorites);
@@ -1042,6 +1113,7 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 	API_FCT(get_video_drivers);
 	API_FCT(get_video_modes);
 	API_FCT(get_screen_info);
+	API_FCT(get_package_list);
 	API_FCT(get_min_supp_proto);
 	API_FCT(get_max_supp_proto);
 	API_FCT(do_async_callback);
@@ -1050,7 +1122,6 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 /******************************************************************************/
 void ModApiMainMenu::InitializeAsync(lua_State *L, int top)
 {
-
 	API_FCT(get_worlds);
 	API_FCT(get_games);
 	API_FCT(get_favorites);
@@ -1066,4 +1137,5 @@ void ModApiMainMenu::InitializeAsync(lua_State *L, int top)
 	//API_FCT(extract_zip); //TODO remove dependency to GuiEngine
 	API_FCT(download_file);
 	//API_FCT(gettext); (gettext lib isn't threadsafe)
+	API_FCT(get_package_list);
 }
diff --git a/src/script/lua_api/l_mainmenu.h b/src/script/lua_api/l_mainmenu.h
index 2faeaf63e..b08a5bc01 100644
--- a/src/script/lua_api/l_mainmenu.h
+++ b/src/script/lua_api/l_mainmenu.h
@@ -83,7 +83,7 @@ private:
 
 	static int l_get_games(lua_State *L);
 
-	static int l_get_mod_info(lua_State *L);
+	static int l_get_content_info(lua_State *L);
 
 	//gui
 
@@ -133,6 +133,9 @@ private:
 
 	static int l_get_video_modes(lua_State *L);
 
+	//content store
+	static int l_get_package_list(lua_State *L);
+
 	//version compatibility
 	static int l_get_min_supp_proto(lua_State *L);
 
diff --git a/src/script/lua_api/l_storage.cpp b/src/script/lua_api/l_storage.cpp
index 4c6b2a182..01810ca8b 100644
--- a/src/script/lua_api/l_storage.cpp
+++ b/src/script/lua_api/l_storage.cpp
@@ -20,7 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "lua_api/l_storage.h"
 #include "l_internal.h"
-#include "mods.h"
+#include "content/mods.h"
 #include "server.h"
 
 int ModApiStorage::l_get_mod_storage(lua_State *L)
diff --git a/src/script/scripting_mainmenu.cpp b/src/script/scripting_mainmenu.cpp
index 0ff60951b..b6068439a 100644
--- a/src/script/scripting_mainmenu.cpp
+++ b/src/script/scripting_mainmenu.cpp
@@ -18,7 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "scripting_mainmenu.h"
-#include "mods.h"
+#include "content/mods.h"
 #include "cpp_api/s_internal.h"
 #include "lua_api/l_base.h"
 #include "lua_api/l_mainmenu.h"
diff --git a/src/server.cpp b/src/server.cpp
index 5bdf22c7e..1eddec700 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -49,7 +49,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "content_mapnode.h"
 #include "content_nodemeta.h"
 #include "content_sao.h"
-#include "mods.h"
+#include "content/mods.h"
 #include "modchannels.h"
 #include "serverlist.h"
 #include "util/string.h"
diff --git a/src/server.h b/src/server.h
index 2442140c8..39cf56027 100644
--- a/src/server.h
+++ b/src/server.h
@@ -24,9 +24,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "hud.h"
 #include "gamedef.h"
 #include "serialization.h" // For SER_FMT_VER_INVALID
-#include "mods.h"
+#include "content/mods.h"
 #include "inventorymanager.h"
-#include "subgame.h"
+#include "content/subgames.h"
 #include "tileanimation.h" // struct TileAnimationParams
 #include "network/peerhandler.h"
 #include "network/address.h"
diff --git a/src/server/mods.cpp b/src/server/mods.cpp
index 34ac760e4..c246e6446 100644
--- a/src/server/mods.cpp
+++ b/src/server/mods.cpp
@@ -21,7 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "filesys.h"
 #include "log.h"
 #include "scripting_server.h"
-#include "subgame.h"
+#include "content/subgames.h"
 
 /**
  * Manage server mods
diff --git a/src/server/mods.h b/src/server/mods.h
index 9e4b23f30..2bc1aa22f 100644
--- a/src/server/mods.h
+++ b/src/server/mods.h
@@ -19,7 +19,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #pragma once
 
-#include "../mods.h"
+#include "content/mods.h"
 
 class ServerScripting;
 
diff --git a/src/serverlist.h b/src/serverlist.h
index 796b23b98..2b82b7431 100644
--- a/src/serverlist.h
+++ b/src/serverlist.h
@@ -19,7 +19,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include <iostream>
 #include "config.h"
-#include "mods.h"
+#include "content/mods.h"
 #include <json/json.h>
 
 #pragma once
diff --git a/src/unittest/test.cpp b/src/unittest/test.cpp
index 7a0ef16b1..547c3fd07 100644
--- a/src/unittest/test.cpp
+++ b/src/unittest/test.cpp
@@ -24,7 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "itemdef.h"
 #include "gamedef.h"
 #include "modchannels.h"
-#include "mods.h"
+#include "content/mods.h"
 #include "util/numeric.h"
 
 content_t t_CONTENT_STONE;