XSLT and XML unit testing framework
Tool that allows to test a String based on a regular expression
Unified Test and Logging layer for multiple programming languages
Mutation System for UML and Variability Models
A tool to compare JUnit XML reports
a selenium framework
Library tools to collect timing in Java, C, C++
Java (6&7) Code Coverage Plugin for NetBeans, based on JaCoCo
Quality-Check is a small Java library for basic runtime checks of vars
Java library can be used in JUnit testcases for beans coverage
xpath plugin for jmeter with local namespace prefixes
Dynamically generated unit tests for basic verifications.
CppUnit for Eclipse CDT C/C++ Unit Testing Support