3C Card Games Software
Offers popular card games software, including poker and other interesting games such as: gin rummy, bezique, piquet, terts, bela and thousand.

Mac Texas Holdem
Mac compatible online poker rooms that offer Texas Holdem software for free.

AnteUp! Poker Tournament Clock
Poker tournament management package for professional and friendly home games, local tournaments and poker clubs. Provides an easy and simple way to keep track of the blinds in poker tournaments.