CppTestHarness is inspired heavily by MichaelFeathers 's CppUnitLite C++ Unit testing framework. Its goal is to be lightweight, eliminate redundancy (DontRepeatYourself) and remain simple. Notable improvements over CppUnitLite include support for TestFixtures and exception handling.
Find it at http://cnicholson.net/content.php?id=52 for now. If it gains popularity, perhaps it will find a better home.