Slymey

Substrate

Comprehensive .NET SDK for reading and writing Minecraft worlds and data

Cubyz

Voxel sandbox game with a large render distance, procedurally generated content and some cool graphical effects.

FluidX3D

The fastest and most memory efficient lattice Boltzmann CFD software, running on all GPUs via OpenCL. Free for non-commercial use.

NovaBug

core_shaders

1.17 Core Shaders

bernie-sits

A site that went kinda viral that lets you put Bernie Sanders in places

NotEnoughUpdates