This IRC channel is used for Alfresco discussion and collaboration. More information about the channel is in the wiki.
The channel can be used to ask about Alfresco, or you can check out these resources. Make sure to stick around a few hours after asking a question.
Official support for Enterprise subscribers: support.alfresco.com.
You can get an IRC client and connect to #alfresco at Freenode.
Or you can join immediately: