wtf do these GLSL repos do?

Popular GLSL repositories on GitHub, each decoded: what it actually does, its stack, and how to run it.

saschawillems/vulkanA large collection of self-contained C++ example programs for learning Vulkan GPU programming, covering topics
patriciogonzalezvivo/thebookofshadersAn interactive online guide that teaches you how to write fragment shaders from scratch — the small programs t
s0xdk/ghostty-blackholeA terminal visual that renders a physics-accurate black hole inside Ghostty, growing as your Claude Code conte
elisaliman/ghostty-shadersTwo animated GLSL visual effects for the Ghostty terminal emulator: pixel-art snowflakes and twinkling plus-sh
zalo/locuslucisAn interactive browser-based experiment testing three different methods for simulating realistic 2D light boun
ibrews/mandelbulb-xrA raymarched 3D Mandelbulb fractal that slowly evolves over time, with one shared GLSL core running in the bro