Ore Module: Adds a variety of ores into minetest, for use here and possibly in other mods.
OtherGen Module: Adds generation aside from ores.
Parts Module: Adds some bits and bobs for machinery and some minor blocks.
Tech Module: Adds the "tech" of glooptest.
Tools Module: Adds extra kinds of tools.
Compat Module: Puts into place a number of aliases for cross-mod-compatibility.