CxxTest is a unit testing framework for C++ that is similar in spirit to JUnit, CppUnit, and xUnit. CxxTest is easy to use because it does not require precompiling a CxxTest testing library, it employs no advanced features of C++ (e.g. RTTI) and it supports a very flexible form of test discovery.
Jnario is a framework for writing executable specifications for Java. It provides all the goodness of Xtend while being specifically tailored to writing acceptance and unit tests. It is easy to integrate as Jnario specifications are compiled to plain Java Junit tests.
NCrunch is an automated parallel continuous testing tool for Visual Studio .NET. It intelligently takes responsibility for running automated tests so that you don't have to, and it gives you a huge amount of useful information about your tests (such as code coverage) inline in your IDE while you work.