Industrialization for minetest
Minetest's top original voxel game about emergent mechanics and exploration
Dais Ex Machina
An other-worldly platform to preserve some of your stuff across map resets for NodeCore
Portals and stuff
Teaching Quantum Computing using Qiskit in a block world
Supplies a complete set of nice, round mesh-based water pipes, boxy item-transport tubes, and devices that work with them.
Draw power from the world, and use it to power machines and tools.