Composr

Composr is an open-source content management system designed for building rich, dynamic, and interactive websites. With a vast array of features, it serves everyone from startups and non-profits to large enterprises and government organizations. Composr sets itself apart by including social networking, multimedia handling, forums, wikis, quizzes, and blogging tools—all right out of the box. Its strength lies in its versatility and highly modular architecture, which allows users to enable only the features they need. Composr’s user interface is intuitive yet powerful, giving users access to responsive web design tools, a WYSIWYG editor, and complete front-end customization. Developers benefit from support for PHP scripts and standards-compliant output using HTML5, CSS3, and WCAG accessibility guidelines. Whether you're publishing articles, managing events, sharing files, or building user-generated communities, Composr handles it all smoothly. The platform offers deep functionality such as customizable databases (Catalogues), structured wiki content (Wiki+), event calendars with conflict detection, and multimedia galleries with user ownership features. It supports blogging, news publishing, and content scheduling with RSS/Atom and trackback compatibility.