Qt based cross-platform screenshot tool with annotations
PlayStation 2 emulator for Windows and Linux
Simple and intuitive 2D vector drawing for electronics and not only.
JavaScript-Based Molecular Viewer From Jmol
Free professional video converter Windows|Mac|Linux
a race scenario drawing tool
ufraw reloaded
A free and open source screenshot tool optimized for productivity
A homebrew image viewer.
Superseded by the official Gimp release: http://www.gimp.org/downloads
Font editor