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)
Various small and useful command-line utilities
Convert Netpbm programs to GIMP plug-ins
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
Easy Block Diagram Creator using YAML and GraphViz
Perl bindings to the Modern OpenGL API
Jiddu Krishnamurti's Book of Life
Coloured Ascii generator
Perl scripts for image manipulations based on its EXIF metadata
Gplot provides a convenient front-end for gnuplot