Open Source Solid Modeling CAD
Model Railway CAD program
Advanced PNG optimization program
Img is a collection of format handlers for the Tk photo image type.
A project that has moved to GitHub
The cross-platform library behind the Hugin photo stitcher
Display, convert, and edit raster image and vector image files
medical image conversion utility
Lynkeos is an astronomical webcam image processing software for OS X.
SIMD-accelerated libjpeg-compatible JPEG codec library
Drawing, graphics conversion, software development, administration.
LDraw™ editor for LEGO® style digital building instructions.
Tools to process and visualize scientific data and images
ProStack - a platform for image processing and analysis