Apache Lenya is an Open Source Java / XML Content Management System (CMS). Lenya is based on Apache Cocoon. All Cocoon components can be used to develop customized functionality.
It comes with revision control system, multi-site management, scheduling, search, WYSIWYG editors, and work flow.
With this open source java / xml cms, Pages can be created in multiple languages with no impact on your site structure. Lenya automatically displays your page in the default language if it is not available in a specific language.
You can move, copy, rename, archive or delete individual pages or whole parts of your site with an easy to use site view that shows you the pages of your site in an explorer-like view.
The navigation framework automatically creates navigation items such as menus, breadcrumb paths and tabs. It produces clean accessible URLs that helps with search engines.