CodeRush Classic is a refactoring and productivity plugin by DevExpress that extends native functionality of Microsoft Visual Studio|Visual Studio .NET 2003, 2005, 2008, 2010, 2013, and 2015. CodeRush Classic provides solution-wide static code analysis (detecting errors in code at design time), and additional functionality to make it easier to correct code smells, complete code, navigate, search for symbols, highlight the structural elements of the code, format code, and generate and optimize code. CodeRush Classic includes 180 automated refactorings, and streamlines unit testing using NUnit, XUnit, MbUnit and MSTest, among other functionality.