AWStats Log Analyzer
Open source Health IT for the planet
TI graphing calculators <-> computer communication software
HTML5 editor, free and open-source website builder based on Silex
Unified Communications Server
smart and open source document management system
Toolkit for working with and mapping geospatial data
Open Source desktop project management
EasyABC is an open source ABC editor
Cross platform GUI for Maxima
phpipam open-source IP address management
GPS mapping and management software