Selenium / Telerik Test Studio / Microsoft Coded UI

Test Tool	Features
Selenium	•       Many language support (Java, C#, Python and Perl) •       Multiple Browser support (Firefox, IE, Chrome etc) •       Can extended as MSTest , TestNG, or Juint test suite. •       Open Source.
Telerik	•       Support the C# •       Easy to use external Data Source •       Multiple Browser support (Firefox, IE, Chrome etc) •       Visual Studio plug-in for coding pros •       Bug tracking  with Telerik TeamPulse or TFS. •       Can extended as MSTest test suite.
Coded UI	•       Automatically generate more advance Code compared to Selenium or Telerik •       Support the C# •       Integration TFS, Test Manager. •       Can extended as MSTest test suite. •       Test Builder uses as many attributes as possible to identify UI controls, which makes the tests less vunerable to changes of the UI control attributes