ASP.NET 5 is the successor version of ASP.NET 4.6 that is now fully open source on Github.
In this video, Scott and Scott talk about new features in ASP.NET 5 and how to take advantage of them. The video talks about new features and improvements including the following
  • ASP.NET is fully open source. You can download and build your own version and extend the way you like it.
  • ASP.NET is designed to build Web and cloud applications
  • ASP.NET MVC 6
  • Integration of ASP.NET MVC and ASP.NET Web API
  • Visual Studio 2015 and its role to build ASP.NET 5 applications including full build and development life cycle support
  • HTML, CSS, and JavaScript editors improvements in Visual Studio
  • and more