This software brings modding to R.U.S.E, Wargame: European Escalation, Wargame: Airland Battle and Wargame: Red Dragon.
You need to have the .net 4.5 Framework installed you can download it here: http://www.microsoft.com/en-us/download/details.aspx?id=30653
The Wargame modding suite is released under the GPL 3.0 license.