Documentation:
Official Joomla Documentation Wiki
http://docs.joomla.org/
 		 
The Absolute Beginners Guide to Joomla!
http://docs.joomla.org/Beginners
 		 
Joomla Frequently Asked Questions
http://docs.joomla.org/Category:FAQ
 		 

 

 
Useful Links:
Idealware Review
http://www.idealware.org/articles/joomla_drupal...
Comparing Open Source CMSes: Joomla, Drupal and Plone. 		 
Commissioning an open source content management system
http://www.icthubknowledgebase.org.uk/commissio...
The article hopes to assist non-technical decision makers in voluntary organisations who may be considering adopting an Open Source web-based content management system, by pointing out some key factors that can be used to compare different systems. 		 
Why can't we be friends? Joomla versus Drupal
http://www.communicopia.net/blog/joomla-versus-...
 		 
Joomla Extensions Directory
http://extensions.joomla.org/
The most comprehensive list of Joomla extensions in existence. 		 
Open Source Matters, Inc.
http://www.opensourcematters.org/
Open Source Matters, Inc. (OSM) is a not-for-profit formed under United States law and exists to provide organizational, legal and financial support for the Joomla! open-source project. OSM has been incorporated as a New York not-for-profit to ensure the Joomla! project and future projects continue to exist beyond the participation of individual volunteers, to enable contributions of intellectual property and funds while providing a vehicle for limiting legal exposure for projects. 		 
Joomla on Wikipedia
http://en.wikipedia.org/wiki/Joomla
 		 

 

 
Training:
Joomla! Days Directory
http://community.joomla.org/events/joomla-days....
Local communities worldwide organise Joomla Days. A Joomla Day is an event created exclusively for Joomla users and projects and usually draws a regional audience.