FooBillard - FooBillard is a free and open-source, OpenGL-based billiards simulation game.
SkillGamesBoard - Play free online games against thousands of players, work out your own techniques, and improve your logical thinking skills in turn-based multiplayer board games on SkillGamesBoard!
8 Ball Pool - Pool 8-ball is a billiards simulator.
Gomoku - Online Game Hall - This is the most powerful gomoku game on Mac App Store. For the game rule:
Virtual Pool - A pool game so realistic, it improves your real game!
4 in a Row - 4 in a Row, the classic game that's easy to understand, but hard to master.