Linux.com: Running .Net Applications on Linux with Mono

“Imagine the fate of your company rests on your completing your
new Linux project on time. You have a crack team of first-class
developers, but they’re all .Net programmers. What are you going to
do? Admit that Windows is better that Linux? Cry? Resign? No,
you’re going to install Mono and save the world!

“Mono is an open source project (sponsored by Novell) that
allows you to run .Net applications on Linux (as well as Unix, Mac
OS X, Solaris and even Windows). To obtain it, go to the Mono
download page and find the version you need for your distro…”