Cyber Pool
   Play online against others from around the world.
   http://www.freecyberpoolgames.com/

Pool Sharks
   Offers free multiplayer pool and chat against other opponents.
   http://www.poolgame.co.uk/

Trouble
   Click-and-drag Java pool game. Offers choice of single player 8-ball or 9-ball game.
   http://pool.8cuo.net/