ImageMagick 7
Library to encode and decode images in WebP format
A fast image processing library with low memory needs
A collection of packages providing extra functionality for GNU Octave
Resilient Image Library - successor to DevIL
Libraries and command line tools for medical image processing.
A small C library for building user interfaces with C, XML and CSS.
A Library for Interactive Modelling and Visualisation
Software for data analysis, image processing, simulations, solver.
Heterogeneous Image Processing Acceleration (HIPACC) Framework
LBP implementation in multiple computing platforms (ARM,GPU, DSP...)
Siril is an astronomical image processing software for Linux.