Engine for running benchmarks ingame.
chat commands that people might need
a minetest mod that adds a journal it's a book that can be accessed from the inventory.
vectors using metatables to make coding easier
Providing some utilities that can be used by other mods.
Industrialization for minetest
Some useful contraptions / machines.
A weather mod for minetest.
A mod adding villager NPCs that are doing predefined work.