ASP.NET 5 is a redesigned and significantly improved ASP.NET framework. The framework is open-source and cross-platform and aimed for developing up-to-date cloud-based apps. It's quite flexible while developing solutions as it consists of modular components with minimal overhead.
The first preview release of ASP.NET was in 2000, and since then it was actively used by millions of developer to build web applications. Over the years the framework has been improved and optimized. A number of architectural changes were made according to modern web standards. Now, it is more leaner and modular. To draw attention of a wider audience of developers, ASP.NET 5 is cross-platform and supports the development on the major platforms such as Windows, Mac and Linux.
There are following improvements of the framework below: