X-Decor-libre
Wuzzy

A decoration mod meant to be simple and well-featured (libre version).

UwU (MineClonia/MineClone)
Psyco

Add UwU block, uwu crystal ores, uwu tools and more.

Alien Tools
chaosomnium

Alien Tools Mod for Minetest - adds Alien Tool, Shield, biome, etc

Multiple Biome Generator
chaosomnium

230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

Staffs
CalebJ

Staffs with various uses