debug_new
Memory leak detector for C++ programs, part of the Nvwa library
Doit
Scripting tool for testing web applications that use forms
Defect Manager
Bug and issue tracking system for Windows and the web
DejaGnu
GNU framework for testing other programs, based on Expect and Tcl
depunit
Java testing framework where unit tests depend on each other
Azure DevTest Labs
Azure service for creating and managing development and test virtual machines