- Internet Relay Chat
- The IRC channel #secondlife on the EFNet network. Can be accessed through any IRC client or SLUniverse's web client.
- XChat - Oz suggests: XChat Free Build
- Private Message Plus - Lightweight IRC client for the Windows platform (German homepage, client available in English, too)
- Irssi - Very powerful text console client
- Konversation - For KDE users
- epic - Text console client, extension of the traditional ircII client