PHP eXhibition is a CMS designed primarily for visual artists, dealers, or just about anybody who wants to display works of art online. It features a back-end administration section and a front end Web site. An administrator can post artworks organized by galleries and/or articles organized by categories. It has a shopping cart that works with PayPal and Google Payments. Artworks may also be included in a sitewide RSS feed.
Amun is a content management framework based on the PSX framework. The goal is to build a more federated and programmable Web. This is achieved by providing a RESTful API for managing and distributing the content in standard formats like JSON, XML, Atom, and RSS. It tries to support open standards like OAuth, OpenID, etc., and gives you the freedom to access the data of a Website in the way you like. It tries to enable easy communication from server to server, browser to server, and application to server.
Ametys is a powerful Web CMS used by many institutions of higher education and government, but also industries and SMEs. It is known for its ergonomic design which promotes ease of use, its social Web functionality, and the ability to manage a large number of users. It makes content publishing accessible for the non-programmer and provides an easy editorial interface very similar to Microsoft Office applications.