A collection of packages providing extra functionality for GNU Octave
itom - an Open Source Measurement, Automation and Evaluation Software
ProStack - a platform for image processing and analysis
Graphic Live Mixer
OpenGL Image Processing LIBrary
Heterogeneous Image Processing Acceleration (HIPACC) Framework
moved to https://github.com/sroycode/apophniapp
Siril is an astronomical image processing software for Linux.