NodeCore
Warr1024

Minetest's top original voxel game about emergent mechanics and exploration

Ocular Networks
PolySaken

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

Melterns
IcyDiamond

Tinkers Construct in Minetest!

Portal gun
AiTechEye

Portals and stuff

Mesecon Technology (MeseTec)
AiTechEye

Adds some extra and usefull mesecons stuff

Pipeworks
mt-mods

Supplies a complete set of nice, round mesh-based water pipes, boxy item-transport tubes, and devices that work with them.

New Factory
theFox

Industrialization for minetest