Swiss army knife of image processing
Read, write and edit metadata
Display, convert, and edit raster image and vector image files
Picture manager with focus on meta information (XMP, IPTC, EXIF)
Convert Netpbm programs to GIMP plug-ins
Various small and useful command-line utilities
Simple Gnuplot automation and plot conversion tool.
Hints for graphics conversion, gxhconvert script
Concise spatial query and representation system (c-squares)
Cross Platform GUI Toolkit
Viewer / Extractor for compressed HTML in the Mozilla Archive Format
Perl bindings to the Modern OpenGL API
Jiddu Krishnamurti's Book of Life
Command line to to sync photos to Flickr
Coloured Ascii generator