SwiftShader is a high-performance CPU-based implementation
Audio playback and capture library written in C,
Swiss army knife of image processing
An award-winning drawing program for children of all ages
Display, convert, and edit raster image and vector image files
Cross Platform GUI Toolkit
French Geographic Information System
FFmpeg filter for applying GLSL transitions between video streams
Updated emulator of Forgotten Realms: Unlimited Adventures
Deep paint and stop-motion animation software
Android Audio and Video Development Monster Fighting Upgrade
C for programmable guitar amp
FFmpeg 4.0 + X264 + mp3lame + fdk-aac + opencore-amr + openssl
Unofficial Windows builds of FontForge
GLava - OpenGL audio spectrum visualizer
Free yourself
Advanced image processing toolbox for Scilab on Unix/Linux/Mac OS
Summary
Your Hardcore Loop Machine for Windows, Linux and OS X.
A full featured cross-platform image library