NavalWar is a nice board-game written in Java6 with a Swing interface. Single player and multiplayer modes are supported. A player should guess the position of the adversary's ships. The first player that sink all adversary's ships win.5 weekly downloads
EvolutionMUD is a MUD server which uses advanced technologies (e.g. RDBMS, programming, distributed servers) to achieve performance, expandability and configurability.