Toolkit for working with and mapping geospatial data
A fast way to set photo metadata tags
Another drawing editor for LaTeX with PSTricks & TikZ
Multi-Tabbed and Multi-Layered Paint program with a rich tool set.
BRIC is a powerful tool for batch image processing.
A graphical Finite State Machine (FSM) designer.
MassGeotagger lets you to geotag sets of JPG Photos with GPX logs
GUI for manipulating djvu files
Sprite builder for BlueBox Image.