Rapid applications development tool and libraries for FPC
Personal and small-business finance manager
Open Source Monitoring System for performance and availability.
Open source ERP and CRM web software for business
#1 alternative to Microsoft Project : Project Management software
GTK+ comic book viewer.
Read, write and edit metadata
utility to split mp3, ogg vorbis and FLAC files without decoding
Audio converter and CD ripper for various formats
Enigma is a puzzle game
Open Source, tasks, bug tracking, agile scrum, timesheet, wiki
GNOME Recipe Manager w/ nutrition information and other useful plugins
music composition and notation software, audio to midi converter
H.323 Gatekeeper for VoIP and videconferencing
The IRC's Talking Robot
Microsoft Exchange compatible server and client libraries
doorGets CMS PHP offers a free, Open-source Website solution
Cross Platform GUI Toolkit
command line tool to manage email (alias-)domains/accounts/aliases …
Building High Quality ERP and Accounting Software for SMB & SME