Jimmy Zimms writes "Microsoft's ASP.NET MVC is an extension built on the core of ASP.NET that brings some of the popular practices and ease of development that were popularized by Ruby on Rails and Django to the .NET developers. Scott Guthrie, the inventor of ASP.NET, just announced that Microsoft is open sourcing the ASP.NET MVC stack under the MS-PL license. 'I'm excited today to announce that we are also releasing the ASP.NET MVC source code under the Microsoft Public License (MS-PL). MS-PL is an OSI-approved open source license. The MS-PL contains no platform restrictions and provides broad rights to modify and redistribute the source code.' Here's the text of the MS-PL.