• Dojo Contributors
• Dojo Toolkit Licensing

Mailing Lists

• Dojo Interest and Discussion List (probably what you want) (archives)
• Developer Discussion List (subscription held for approval) (archives)
• Dojo Toolkit Checkins (archives)

IRC

Regular meeting time most Wednesdays @ 2PM PST.

Wiki

Dojo maintains a publicly-editable Wiki at dojo.jot.com. It contains information on how to get Dojo source code and many useful code snippets and HOWTOs.