The Rudder project and Normation are open source at heart, and we welcome any kind of contribution: comments, criticism, help on IRC or mailing lists, and of course code and documentation contributions. These last two types of contribution are more involved...
Rudder's User Manual introduces core concepts, explains how to install and upgrade and then moves on to more advanced administration topics.
Frequent Asked Questions (FAQ) and their answers about Rudder as a software project, and common technical issues.
As of version 2.7.0, Rudder includes a powerful REST API that can be used to manipulate configuration objects.