Magnolia Community Edition is a free, easy-to-use powerful Enterprise Content Management system. It is available under an Open Source license, the GPL version 3. Magnolia Community Edition includes an AJAX-powered intuitive web-browser interface, a clear Java programming API and a useful custom tag library for easy templating in JSP and Servlets. It can use any JSR-170 compliant content repository.
now with groovy support, which makes that a nice prototyping pack; still magnolia itself as a fullblown CMS solution is pretty mediocre…