Microsoft today announced plans to open source .NET, the company's software framework that primarily runs on Windows, and release it on GitHub. Furthermore, Microsoft also unveiled plans to take .NET cross-platform by targeting both Mac OS X and Linux. In the next release, Microsoft plans to open source the entire .NET server stack, from ASP.NET 5 down to the Common Language Runtime and Base Class Libraries. The company will let developers build .NET cloud applications on multiple platforms; it is promising future support of the .NET Core server runtime and framework for Mac and Linux. Microsoft is also making Visual Studio free for small teams.