Image management application
Library to encode and decode images in WebP format
Fast and simple digital painting software
Swiss army knife of image processing
Drawing, graphics conversion, software development, administration.
Various small and useful command-line utilities
Tools to process and visualize scientific data and images
Open Source Solid Modeling CAD
Tools to access streams in PDF-files at the object level.
Improved JPEG encoder
Deep paint and stop-motion animation software
Libraries and command line tools for medical image processing.
Complete solution for HDR photography
Some image processing tools
Tools to train Image Operators automatically from a set of samples.
Library and tools for dealing with the RLE raster image format
Bildster is an image processing library for educational purposes.
angif fork with transparency layers (proof of concept implementation)
Not your usual Architectural Modeler
Convert jpeg(exif/jfif)/mpo/jps image to/from xml