Arcade (Popularity: )

Includes tetris, tailgunner, solitaire, gopher bash, guppie races, centipede, and canoe clobber java games.
Category: Games\Video Games\Action\Browser Based

JBridge (Popularity: )

Offers social and tournament play, allows for kibbizers and provides hand reviews. Free.
Category: Games\Video Games\Recreation\Browser Based

jose 1.3 (Popularity: )

[Freeware] Java Chess Database for Mac OSX with 3D display and Crafty 19 engine.
Category: Games\Video Games\Recreation\Board Games