Umbraco - the simple, flexible and friendly ASP.NET CMS

For the first time on the Microsoft platform a free user and developer friendly cms that makes it quick and easy to create websites - or a breeze to build complex web applications. umbraco got award-winning integration capabilities and supports your ASP.NET User and Custom Controls out of the box. It's a developers dream.
More info at http://umbraco.org

Forums

We have a forum running on http://forum.umbraco.org. The discussions area on CodePlex will be for discussions on developing the core, and not on Umbraco-implementations or extensions in general. For those topics, please use http://forum.umbraco.org.

Contribute to Umbraco

You can submit patches to umbraco from the source code tab. Frequent patchers can be considered for the core team. If you want to join, start by solving issues and keeping an eye on core team chat announcements!

Code submission guidelines
We have a guidelines for submitting code: CodeSubmissionGuidelines

Get the latest sourcecode, build it, test it, run it!
SourceCodeAccess