Swiss army knife of image processing
A collection of packages providing extra functionality for GNU Octave
Image processing library in C/C++
Scientific Visualisation Made Easy
Libraries and command line tools for medical image processing.
Digital image processing programs for Windows and Linux systems.
CUDA library for continuous optimization and light field analysis
Library to support quantitative analysis of radiotherapy data
OTB is an open-source C++ library for remote sensing images processing
Image processing framework to integrate EM software packages.