A Trac plugin to create Test Cases, organize them in catalogs and track their execution status and outcome.
Take a look at the Web Page on trac-hacks:
http://trac-hacks.org/wiki/TestManagerForTracPlugin
AutAT (AutomaticAcceptanceTests) aims to make the process of creating automatic acceptance tests for web applications easier. AutAT is a Eclipse-plugin for creating such tests graphically. AutAT is installed via the Eclipse update manager (see Home Page)
Example Code Manager is an Eclipse-Plugin for managing sample code and sample data from repositories around the world. Mainly subversion repositories, but support for flat file or CVS repositories are planned.