BrowserStack
Cloud platform for testing on real browsers and mobile devices
Bug Shooting
Windows screen capture tool that sends screenshots to bug trackers
Bugkilla
Java tools for functional testing of J2EE web applications
BullseyeCoverage
Condition/decision code coverage analyzer for C and C++
Cactus
In-container unit testing framework for server-side Java (retired)
CallbackParams
JUnit add-on for parameterized testing