Gallio, the framework-agnostic test runner for .NET

Gallio is a open source, framework-agnostic test runner that supports MbUnit, MSTest, NBehave, NUnit, and xUnit.Net frameworks. It provides tool support and integration with CCNet, MSBuild, NAnt, NCover, Pex, Powershell, Resharper, TestDriven.Net, TypeMock, and Visual Studio Team System.