Gemini
Work management, issue tracking and help desk software by Countersoft
GNATS
GNU problem report management (bug tracking) system
CucumberStudio
Collaboration and test management platform for BDD (formerly Hiptest)
OpenText Application Quality Management
Application lifecycle and test management (formerly HP ALM / Quality Center)
itracker
Open source Java issue tracking system
JChav
Performance history charts for JMeter benchmark results