Swiss army knife of image processing
Display, convert, and edit raster image and vector image files
Drawing, graphics conversion, software development, administration.
Convert BMP images into Sixel images
Open Source Solid Modeling CAD
Creates APNG animation from PNG/TGA image sequence.
Convert APNG animations into animated GIF format.
A full featured cross-platform image library
Convert GIF animations into APNG format.
X Windows baby toolkit
The Utah Raster Toolkit 3.0, patchlevel 2
Image converter for producing ZX Spectrum screens