eft - Google Code

Eft is an acceptance and functional testing tool for Windows application. You can use it to test WIN32, Windows forms, WPF application and hopefully other applications.

Eft is currently build upon Win32 api and Windows UIAutomation framework in .net 3.0. It supports W3C CSS selector like syntax to locate Window and Control in an application, and related operations on them. It also provides many handy functionality for you to automate the testing of your application.