What is Adaptive Website Framework?

AWF is a modern Open Source Content Management System and development framework based on PHP 5 and the Smarty template engine. It features support for multiple Web sites and languages, content versioning, caching, basic staging, community-portal functions (online list, forums, instant messages, newsletters, weblogs, wiki,...), image upload and galleries, a lexicon, a modular full-text search engine, compatibility with MediaWiki code, XML and PDF export as well as RSS support. Fully flexible URLs allow the replacement of existing static Web sites.

It is available for free under the terms of the GNU General Public License.