vanilla-pudding at Yahoo! Groups
- The mailing list for Vanilla, a simple and extensible hypertext system which subscribes to the Wiki philosophy and is written in REBOL
- http://tech.groups.yahoo.com/group/vanilla-pudding/

rtog-list at Yahoo! Groups
- A members-only list for readers of "REBOL: The Official Guide", maintained by the author
- http://tech.groups.yahoo.com/group/rtog-list/

OSCAR-PROJECT at Yahoo! Groups
- A site for discussing development of an open source REBOL intepreter
- http://tech.groups.yahoo.com/group/OSCAR-PROJECT/

New Programmers at Yahoo! Groups
- A discussion for non-programmers who would like to learn the easy and powerful language REBOL
- http://tech.groups.yahoo.com/group/Rebol_New/

REBOL at Google Groups
- A small but active discussion group that started in December 2004.
- http://groups.google.com/group/Rebol

Archive of REBOL mailing list
- searchable archive of the Rebol Mailing List since July 2000
- http://www.rebol.org/cgi-bin/cgiwrap/rebol/ml-index.r

Rebol Talk
- online forum "for Reb's new and old to share their knowledge"
- http://www.reboltalk.com/