www.magentoforum.com

Unofficial Magento Forum

community.magento.com

This is an official community forum but there is not a lot of activity.

leveluptuts.com/tutorials/magento-community-tutorials

Level Up Tuts was born out of the need for better instructional documentation. After many interactions with development communities where learning and documentation were not a priority, the soon to be Level Up Tuts team set out to change learning in de ...

magento-forum.co.uk

An unofficial but dedicated Magento Forum for Magento Users, Designers and Developers

magento.stackexchange.com

Q&A for users of the Magento e-Commerce platform from Stack Exchange