Microsoft's connect(); event announced the open-sourcing of .NET Core runtime and libraries, providing a fully supported, cross-platform .NET stack for server and cloud applications. Visual Studio 2013 Community Edition was introduced as a free, professional-grade tool for individual developers and non-enterprise organizations, while Visual Studio 2015 Preview and .NET 2015 Preview were showcased with new features and enhancements. Additional resources and updates on Microsoft's offerings, including support for Linux and OS X, were also highlighted.