JetBrains dotCover is a proprietary unit test runner and code coverage tool for .NET Framework 1.0 to 4.5 and Silverlight 4 and 5 applications.Initially released as a code coverage add-in to JetBrains ReSharper, dotCover has evolved to include ReSharper's unit test runner supporting such unit testing frameworks as MSTest, NUnit, xUnit, and MSpec.As of December 2014, the current version is dotCover 3.0.Features: Works within Visual Studio 2010, 2012, 2013 or 2015.