...
Magnolia: (English Language Sites)
Main Site: http://www.magnolia.info/en/magnolia.html
Wiki: http://wiki.magnolia.info/
Downloads: http://www.magnolia.info/en/download.html
Documentation: http://documentation.magnolia.info/docs/en/, http://magnolia.sourceforge.net/21/index.html
Core Tag Library: http://documentation.magnolia.info/docs/en/developer/magnolia_tld/cmstaglib.html
Reference Sites: http://www.magnolia.info/en/about-magnolia/reference-sites.html
...