<Li> Mono is an implementation of CLI and FCL, and provides added functions . It is dual - licensed as free and proprietary software . It includes support for ASP.NET, ADO.NET, and Windows Forms libraries for a wide range of architectures and operating systems . It also includes C#and VB.NET compilers . </Li> <Li> Portable.NET (part of DotGNU) provides an implementation of CLI, parts of FCL, and a C#compiler . It supports a variety of CPUs and operating systems . The project was discontinued, with the last stable release in 2009 . </Li> <Li> Microsoft Shared Source Common Language Infrastructure is a non-free implementation of CLR . However, the last version runs on Windows XP SP2 only, and has not been updated since 2006 . Thus, it does not contain all features of version 2.0 of . NET Framework . </Li> <Li> CrossNet is an implementation of CLI and parts of FCL . It is free software using an open source MIT License . </Li>

What is microsoft .net framework 1.1 used for