Mono :
http://www.mono-project.com/Main_Page

#Develop :
http://www.icsharpcode.net/OpenSource/SD/

SharpDevelop is actually quite good.. even for VB.NET..
You never know what free things can give you...
muahahahahahahahahhah!!!!

Havent tested Mono yet.. but it should be OK...

EDIT: Some additional info on MONO. (courtesy of Anthony Yio)

The MONO is actualy targetted for C# programmers who wish to program their applications for multi platforms environment. The crucial point that chewxy did not mention about the MONO.

This post has been edited by chewxy: May 25 2005, 07:58 PM