Visual Studio 2015 Preview
http://www.visualstudio.com/news/vs2015-preview-vs

Visual Studio Community 2013 は無料で Pro 相当っぽいぞ

Announcing Visual Studio 2015 Preview and Visual Studio 2013 Update 4 Availability
http://blogs.msdn.com/b/visualstudioalm/archive/2014/11/12/announcing-visual-studio-2015-preview-availability.aspx

Opening up Visual Studio and .NET to Every Developer, Any Application: .NET Server Core open source and cross platform, Visual Studio Community 2013 and preview of Visual Studio 2015 and .NET 2015
http://blogs.msdn.com/b/somasegar/archive/2014/11/12/opening-up-visual-studio-and-net-to-every-developer-any-application-net-server-core-open-source-and-cross-platform-visual-studio-community-2013-and-preview-of-visual-studio-2015-and-net-2015.aspx

News from Connect();
http://blogs.msdn.com/b/bharry/archive/2014/11/12/news-from-connect.aspx