Swiss army knife of image processing
Read, write and edit metadata
Digital Library Software
Display, convert, and edit raster image and vector image files
XMLTV obtains and processes TV listings data
Various small and useful command-line utilities
Picture manager with focus on meta information (XMP, IPTC, EXIF)
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
A loudspeaker phase linearization, EQ and filtering tool
Perl Script to Encode Sound Files
Perl bindings to the Modern OpenGL API