FlightGear Flight Simulator: free open-source multiplatform flight sim
A free COBOL compiler
Democratizing Financial Services Worldwide
Zenoss - Intelligent IT Operations Management
32/64 bit multi-platform Ethernet S7 PLC communication suite
Open Source Enterprise Wiki and Web Application Platform
Sahi Pro is an Enterprise Test Automation Tool for all technologies
UADetector detects over 190 different desktop and mobile browsers.
Open Source Freeware Directory Script
EPIC is an indepth Multiplayer Strategy RPG Web Game
5250 telnet client