A fast image processing library with low memory needs
ImageMagick 7
darktable is an open source photography workflow application
Library to encode and decode images in WebP format
ProStack - a platform for image processing and analysis
Swiss army knife of image processing
Scanning probe microscopy data visualisation and analysis
A collection of packages providing extra functionality for GNU Octave
Lynkeos is an astronomical webcam image processing software for OS X.
Astronomical object/structure detection from 1D and 2D data sets.
Tools to process and visualize scientific data and images
Image processing library in C/C++
Resilient Image Library - successor to DevIL
Open Source Solid Modeling CAD
LDraw™ editor for LEGO® style digital building instructions.
Easy converting PNM to (MASK+FG+BG)-pdf.
Tools to access streams in PDF-files at the object level.
Easy converting pgm and ppm to (MASK+FG+BG)-djvu.
Collection GIMP plugins by zvezdochiot
Scanning Probe Microscopy Controller and Data Visualization Software
Improved JPEG encoder