A standalone, large scale, open project for 2D/3D image processing
SciPy library main repository
ImageMagick 7
A fast image processing library with low memory needs
Swiss army knife of image processing
A dithering software based around floats
itom - an Open Source Measurement, Automation and Evaluation Software
Scientific Visualisation Made Easy
Emgu CV is a cross platform .Net wrapper for OpenCV
Improved JPEG encoder
A Free Experimental System for Image Processing
A set of Windows command-line utilities to manipulate FITS files
High performance image processing library in C++
TurboSphere is an easy to learn and powerful JS based game engine.