2D & 3D TeX-Aware Vector Graphics Language
Display, convert, and edit raster image and vector image files
Cross Platform GUI Toolkit
Free yourself
An environment for the design of INteractive augmented music Scores
A full featured cross-platform image library
OpenGL Image Processing LIBrary
Bildster is an image processing library for educational purposes.
Jade is a cross-platform diagram editor built on the Qt framework.
FNT Font editor
Output Processing script from Java AWT/Swing paint call
An open-source cross-platform digital painting / image editing app
Command line image editing software package and libraries.
A powerful C++ class library for image manipulation