WebCollab
WebCollab project management software on PHP and MySQL
https://webcollab.sourceforge.net/
Projectory: An Open Source Project Management Tool
Computers, Software, Project Management, Open Source - Projectory. Open source, platform-independent, web-enabled project management tool for software projects based on Perl and MySQL.
https://projectory.sourceforge.net/
Austin - Project Management in XML
Computers, Software, Project Management, Open Source - Austin. C++ parser for which converts XML-based project files into Gantt charts.
https://austin.sourceforge.net/
Track+ Tracking System
Track+ ist eine web-basierte Issue Tracking Software f+-r allgemeines Vorgangs- und Projektmanagement. Kostenlos f+-r bis zu 5 Benutzer. Track+ hat viele Leistungsmerkmale von Projektmanagement-Software, arbeitet aber auch sehr gut als Bug Tracking Software.
https://trackplus.sourceforge.net/
Double Choco Latte
Computers, Software, Project Management, Open Source - Double Choco Latte. Issue tracking and project management.
https://dcl.sourceforge.net/
TUTOS Groupware Suite
Computers, Software, Project Management, Open Source - TUTOS Groupware Suite. Web-based groupware suite.
http://www.tutos.org