FlightGear Flight Simulator: free open-source multiplatform flight sim
Open Source Monitoring System for performance and availability.
Nagios network monitoring software is enterprise server monitoring
Is an easy to use, money management application.
IIPImage is an advanced high-performance image server and client
Interactive scientific graphing and data analysis software.
Legacy Release only. Get latest Edition here: http://www.openqrm.com.
Geodesy based library (geodetic and geocentric functions)
PCAP from another point of view
PapersWP integrates Papers to WordPress for assinchronic online events
DMS for linux, C++ library, server, webUI , SOAP
Knowledge Management System
gMol molecular graphics
ASP.net Open Source ERP Solution
A gui for linux users of miniHomer, a GPS tracker
Appacts Open Source Mobile Analytics Platform
A LaTeX editor to create Beamer presentations on the Cloud
A modular ASP.NET/db4o based application framework