Quality based Open Source Project Organiser.
The Free / Libre / Open Source Web App with the most built-in features
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
Draw vector graphics to scale using a descriptive language
Cross-platform BBS (ANSI) Terminal
IGSuite is a web-ajax-based Integrated Groupware Suite
GemRB is a portable open-source implementation of the Infinity Engine
Run Windows applications on Linux, BSD, Solaris, and Mac OS X
Cooperative multiplayer graphical RPG and adventure game
FlightGear Flight Simulator: free open-source multiplatform flight sim
A free COBOL compiler
Growing and Sustaining Relationships
A free C, C++ and Fortran IDE
Common Lisp compiler and runtime
IEC 60870-5-104 protocol tester.
Android, UIQ 3.0, Series 60 Edition 5 open-source software
BBMap short read aligner, and other bioinformatic tools.