Highly Optimized Graphics Math (glm) for C
A lightweight, lightning-fast, and powerful image viewer
A free, high-quality, and portable font engine
Hewlett-Packard's Linux imaging and printing software
A portable, multi-platform, command-line driven graphing utility
A collection of packages providing extra functionality for GNU Octave
Model Railway CAD program
Img is a collection of format handlers for the Tk photo image type.
Retro Computer Image Library
The cross-platform library behind the Hugin photo stitcher
View Sixel images in Windows, and Sixel image repository
Open Source Solid Modeling CAD
Display, convert, and edit raster image and vector image files
medical image conversion utility