What is Compiler ? - The C# examples in this module were written and executed in Microsoft Visual C# 2015, part of Microsoft Visual Studio 2015. This is an IDE with a GUI interface that supports many programming languages. Visual Studio Express 2015 for Windows Desktop, which supports Visual C# as well as other languages, it's available free download from Microsoft ( Download Latest Version From Here ).
Mono is a software platform designed to allow developers to easy create cross platform applications part of the .NET Foundation, Please visit the MonoDevelop website for more details about our cross-platform IDE ( Download Page ).