PokerTH is an open source Texas hold ’em simulator for Microsoft Windows, Mac OS X, and GNU/Linux. The game is faithful to the Texas Hold ’em rules and betting system. PokerTH allows for up to ten human players, with computer-controlled players filling in if there are not enough humans. Players can also play against other PokerTH users online. The latest stable version, 0.8.3, was released on 16 January 2011.