Clyde-L's Stars
KhronosGroup/glslang
Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator.
xLightsSequencer/xLights
xLights is a sequencer for Lights. xLights has usb and E1.31 drivers. You can create sequences in this object oriented program. You can create playlists, schedule them, test your hardware, convert between different sequencers.