Mono 0.12 Released
Mono is an open source implementation of the Microsoft.NET Framework, and ships with a C# compiler, a runtime engine (with a JIT on x86) and a set of class libraries. Mono is known to work on a number of platforms: x86/Linux, x86/Windows, x86/FreeBSD; sparc/solaris; linuxppc/linux; strongarm/linux. Download version 0.12, or read its release notes.