Powerful and easy-to-use embedded GUI library with many widgets
darktable is an open source photography workflow application
3D Without Boundaries
SIMD-accelerated libjpeg-compatible JPEG codec library
An award-winning drawing program for children of all ages
Hewlett-Packard's Linux imaging and printing software
A portable, multi-platform, command-line driven graphing utility
Swiss army knife of image processing
A collection of packages providing extra functionality for GNU Octave
Model Railway CAD program
A project that has moved to GitHub
Display, convert, and edit raster image and vector image files
Img is a collection of format handlers for the Tk photo image type.
The cross-platform library behind the Hugin photo stitcher
Retro Computer Image Library