You can donate money for covering hosting costs and other things.Users:
- The Forums
- #minetest on Freenode.
- The developer wiki contains useful information for advanced users.
You can create content to the game independently via mods.
- Modding API (tutorial/reference)
- doc/lua_api.txt: Short reference
- Forum / Modding General
- Forum / Mod Releases
- #minetest-mods on Freenode.
- #minetest on Freenode (log)
- #minetest-delta on Freenode (log)
- The developer wiki
The core development discussion usually happens on #minetest-dev on Freenode.