Managed Operating System Alliance (MOSA)

The Managed Operating System Alliance (MOSA) provides a set of tools, specifications and source code to foster development of managed operating systems based on the Common Intermediate Language. The Framework is divided into:

More questions are answered in our Frequently Asked Questions Section.

Join the Discussion

We have our own IRC chat channel #mosa on (browser-based IRC client). Or post a message or question on one of our forums.

Participate in the Development

Quick Start

Source Code Repositories:


git clone git://


svn checkout


You can view the source online via our website or GitHub:

More Information