mmanela 

Chutzpah is an open source JavaScript test runner which helps you integrate JavaScript unit testing into your website. It enables you to run JavaScript unit tests from the command line and from inside of Visual Studio. It also supports running in the TeamCity continuous integration server.

DiffPlex is a diffing library that allows you to programatically create text diffs. DiffPlex is a fast and tested library.

Provides the Microsoft.VisualStudio.TestWindow.Interfaces dll

DiffPlex.Wpf is a WPF control library that allows you to programatically render visual text diffs in your application.