Try SharpDevelop, open source IDE (C#, VB.NET etc) for .NET
for .NET 3.5 -
http://www.icsharpcode.net/opensource/sd/download/#SharpDevelop3x
for .NET 4.0 - as of now Beta version available -
http://build.sharpdevelop.net/BuildArtefacts/

Regards,
Lt Col (Retd) Rajiv Dular Singh Chauhan


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