Open software project adapting Settlers for net play. Only available for Linux.

Java applet supporting real-time on-line play hosted by Northwestern servers.

Play ladder games, or random games versus humans and/or AI robots. Uses the JSettlers software, hosted on two servers at jsettlers.com.

Play Settlers over the net. Program only runs on Windows systems.

Java applet supporting real-time on-line play using the Columbus software. This is an alternate server intended to relieve crowding on the NWU server.

Play over the net. Requires Linux or Solaris.

Open source software for Java Settlers of Catan. Forum, bug tracking, screen shots, and downloads.

Online Catan using custom software. Catan related chat and ranking system. Only Windows supported.

Play by email for basic game and Cities and Knights expansion. Registration fee, requires download.