Mono 2.0 has been released and will be available for Windows, Linux and OS X.

Mono 2.0 contains an API complete implementation of .Net’s System.Windows.Forms (winforms) namespace, allowing winforms applications to run on Linux, MacOX and other Unix systems.

Mono 2.0 is a major milestone in the Mono project, and it supports the following features:

• ADO.NET 2.0 API for accessing databases.
  
• ASP.NET 2.0 API for developing Web-based applications.
  
• Windows.Forms 2.0 API to create desktop applications.
  
• System.XML 2.0: An API to manipulate XML documents.
  
• System.Core: Provides support for the Language Integrated Query (LINQ).
  
• System.Xml.Linq: Provides a LINQ provider for XML.
  
• System.Drawing 2.0 API: A portable graphics rendering API.
  

These compilers are part of the Mono 2.0 release:

• C# 3.0 compiler implementation, with full support for LINQ.
  
• Visual Basic 8 compiler.
  
• IL assembler and disassembler and the development toolchain required to create libraries and applications.
  

This is the first release that supports a debugger for managed code.

You can read the release notes here.

Read more here: