xUnit.net is a free, open source, community-focused unit testing tool for the .NET Framework. Written by the original inventor of NUnit v2, xUnit.net is the latest technology for unit testing C#, F#, VB.NET and other .NET languages. Works with ReSharper, CodeRush, and TestDriven.NET. xUnit.net is part of the [ASP.NET Open Source Gallery](http://www.outercurve.org/Galleries/ASPNETOpenSourceGallery) under the [Outercurve Foundation](http://www.outercurve.org/). It is licensed under the [Apache 2 license](http://opensource.org/licenses/Apache-2.0), which is approved by the OSI.
_For status updates, follow us on Twitter: [@xunit](http://twitter.com/xunit), [@jamesnewkirk](http://twitter.com/jamesnewkirk), [@bradwilson](http://twitter.com/bradwilson)_
_For information on contributing to xUnit.net, see [xUnit.net Governance](https://xunit.codeplex.com/wikipage?title=xUnit.net%20Governance)._
_Resharper support is provided by the [xUnit.net Contrib project](http://xunitcontrib.codeplex.com/)._<br>
_CodeRush Test Runner support is provided by [DevExpress](http://www.devexpress.com/)._<br>
* [Why did we build xUnit.net?](http://xunit.codeplex.com/wikipage?title=WhyDidWeBuildXunit)
* [How does xUnit.net compare to other .NET testing frameworks?](http://xunit.codeplex.com/wikipage?title=Comparisons)
* [Why does Resharper say "Failed: Could not create ITestClassCommand..." when I try to run tests?](http://xunit.codeplex.com/wikipage?title=FaqResharper)
* [Why can't I read the help file? It says "Navigation to the web page was cancelled"](http://xunit.codeplex.com/wikipage?title=FaqHelpDownload)
* [Why can I only run single tests in TestDriven.net? I can't seem to run classes or files.](http://xunit.codeplex.com/wikipage?title=FaqTestDrivenNet)
* [Why is the test count too high when running tests?](http://xunit.codeplex.com/wikipage?title=FaqTestCount)
## How Do I...?
* [How do I install xUnit.net?](http://xunit.codeplex.com/wikipage?title=HowToInstall)
* [How do I use xUnit.net?](http://xunit.codeplex.com/wikipage?title=HowToUse)
* [How do I view the help file?](http://xunit.codeplex.com/wikipage?title=HowToViewHelp)
* [How do I run tests from MSBuild?](http://xunit.codeplex.com/wikipage?title=HowToUseMSBuild)
* [How do I run tests in Visual Studio 2012 with the built-in Test Explorer?](http://xunit.codeplex.com/wikipage?title=HowToUseVs2012)
* [How do I run tests in Visual Studio with TestDriven .NET?](http://xunit.codeplex.com/wikipage?title=HowToUseTdNet)
* [How do I run tests in Visual Studio with Resharper?](http://xunit.codeplex.com/wikipage?title=HowToUseResharper)
* [How do I get test results in TeamCity?](http://xunit.codeplex.com/wikipage?title=HowToUseTeamCity)
* [How do I get test results in CruiseControl.net?](http://xunit.codeplex.com/wikipage?title=HowToUseCcNet)
* [How do I get the source and compile xUnit.net?](http://xunit.codeplex.com/wikipage?title=HowToCompile)
* [How do I customize Visual Studio with xUnit.net snippets?](http://xunit.codeplex.com/wikipage?title=VsSnippets)
* [What does the XML that xUnit.net generates look like?](http://xunit.codeplex.com/wikipage?title=XmlFormat)