Advanced PNG optimization program
Swiss army knife of image processing
Panorama photo stitcher
Open and edit the archive files used in over 5700 games.
Open Source Solid Modeling CAD
xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju
Display, convert, and edit raster image and vector image files
Drawing, graphics conversion, software development, administration.
Various small and useful command-line utilities
SIMD-accelerated libjpeg-compatible JPEG codec library
Batch Images Converter
A full featured cross-platform image library
Convert images to Ascii Art, with a lot of options and drawing tools
Measure accuracy of file format conversion.