GOIM is a Jabber client with special features targeted at gamers. It is based on the eclipse rcp and will include all major jabber features in addition to displaying who in the roster is playing which game on which server and other game related features.
Remote Roller is a java tool for roll virtual dice remotely. It is useful for role-playing games and other games that need dice throwing. If a player is playing remotely (i.e. via video-conference), R.R. can handle the dice-related part of the game.
JRCI will provide a chat interface that is heavily configured to be convenient for RPGs. It will not implement any particular game system, but will provide the tools necessary to play traditional games online.