GemRB is a portable open-source implementation of the Infinity Engine
DOOM / Heretic / Hexen source port with enhanced graphics and UI
Running JasperReports from command line
a graphical user interface for the PDF Toolkit (PDFtk)
Fast Bayesian spam filter along lines suggested by Paul Graham
A graphical shutdown utility for Linux and Windows
Cream is a free, easy-to-use configuration of the Vim text editor
Pioneers - The Settlers of Catan
Scalable, distributed monitoring system for high-performance computing
Program for filesharing using Direct Connect and ADC protocols