MSN Communities: The Matrix
Message board, chat room, photos, file downloads, and information about the movie.

The Matrix Costume and Prop Library
Message forum focusing on costumes and props used in the movie.

Yahoo! Groups - BroadcastDepth
Includes message archive, file downloads, photos, polls, member profiles, links and an events calendar

Yahoo! Groups - Club Of The Matrix
Discussion board, photo albums, chat, calendar and links. Accepts member submissions.

Yahoo! Groups - Forever Matrix
Chat, photo albums, links, events, and message board. Member-driven.

Yahoo! Groups:The Matrix
Links, photo albums, a chat room, a message forum, and a calendar of events. Members may make submissions.