amun is a social content managment system written in based on the psx framework. The code is written in clean PHP 5 OOP, and the backend is based on ExtJS. amun is a "social" content managment system because its also an OpenSocial API container, and has other social technologies implemented like OAuth and OpenID. amun has an extensive plugin system with which you can add a lot of functionality to your Website (news, forums, etc.) so you can build a Website that has a corporate design. It produces great markup so that you can read a Website in a screen reader without Javascript or CSS. amun also helps to bootstrap social technologies by acting as a reference. You can see how you could implement an opensocial container, OAuth service provider, or OpenID consumer in a PHP Web application.