Similar to Robocode

Defraggler

DVD Flick

EAR (file format)

Enlightened Sound Daemon

Euler Mathematical Toolbox

Evernote

Exa (command-line utility)

Fetchmail

FindBugs

Firestarter (firewall)

FreeS/WAN

Gallium3D

GAMESS (UK)

GAMESS (US)

Geany

GlassFish

GNU Taler

Google Wave

Google Pinyin

Greasemonkey

Hack (programming language)

HSQLDB

HTML Tidy

HTTrack

Hypertable