.NET Framework
The .NET Framework is a software framework developed by Microsoft that runs primarily on Microsoft Windows.
Mono is a free and open source project led by Xamarin (formerly by Novell and originally by Ximian) to create an Ecma standard compliant .
mono is a free and open source project led by xamarin (formerly by novell and originally by ximian) to create an ecma standard compliant .net frameworkcompatible set of tools including, among others, a c# compiler and a common language runtime.
the stated purpose of mono is not only to be able to run microsoft .net applications crossplatform, but also to bring better development tools to linux developers. mono can be run on many operating systems including android, bsd, ios, linux, os x, windows, solaris, unix, and some for game consoles such as playstation 3, wii, and xbox 360.
development cross-platform developer-tools cross-platform-development