#develop (short for SharpDevelop) is a free IDE for C#, VB.NET and Boo projects on Microsoft’s .NET platform. It is open-source, and you can download both sourcecode and executables. Current stable version is 4.1 is also available to download.

As a developer using Sharpdevelop, I got much advantages,

* Forms designer for C#, VB.NET and Boo
* Code completion for C#, VB.NET and Boo (including Ctrl+Space support)
* Integrated NUnit support plus code coverage (NCover)
* Integrated debugger
* Code Analysis with FxCop
* Refactoring support
* Multi-framework support (.NET 1.1,2.0,3.5 and 4.0, Mono, Compact Framework)
* XML Editing (source and tree view) with XPath search
* Parser-based code converter (C# to VB.NET / Boo and more)
* Compile C#, VB.NET & Boo code in the IDE out-of-the-box
* Code AutoInsert (Alt+Ins)
* Xml documentation preview
* Setup projects supported with Windows Installer XML (WiX)
* Subversion integration
* Open source, LGPL licensed

* User interface translated to many languages
* Write C#, ASP.NET, ADO.NET, XML, HTML code
* Project or File-based development (Project Scout & File Scout)
* Rich project options
* Syntax highlighting for C#, HTML, ASP, ASP.NET, VBScript, VB.NET, XML
* Intelligent braces
* Folding
* Bookmark your code
* Code template support
* Component Inspector
* Feature-rich Find & Replace dialogs (including incremental search)
* Easily extensible with external tools
* Easily extensible with Plug-Ins
* Re-host SharpDevelop with SDA
* … and much more

It compiles and run the project much fast from IDE and generates smaller executable comparing with Microsoft’s Visual Studio.

So it’s free development IDE, Small, Developer Friendly, fully compatible with all.net versions, productive and it’s free with source code.

See SharpDevelop website for more details @ http://sharpdevelop.com/OpenSource/SD/