"At present Gallio can run tests from MbUnit versions 2 and 3, MSTest, NBehave, NUnit, xUnit.Net, and csUnit. Gallio provides tool support and integration with CCNet, MSBuild, NAnt, NCover, Pex, Powershell, Resharper, TestDriven.Net, TypeMock, and Visual Studio Team System. Gallio also includes its own command-line runner, Echo, and a Windows GUI, Icarus. Additional runners are planned or under development. Third parties are also encouraged to leverage the Gallio platform as part of their own applications."
- xero
from Bookmarklet