BitShifters: Several invented poker game variations.
BVS Development Corporation: Develops and distributes solitaire and video poker card games.
Invented Card Games: Rules for a number of recently invented card games.
Joker High: Rules for the game invented by Michael Lawson.
Legend Games: Publishes Age of Heroes. Includes game information and educational benefits.
M.E.K. Games: Producing a series of medieval fantasy card games beginning with Armory.
Ninety-Nine: Exact bidding game where players lay aside three cards from their hand representing their secret bid, and play the remaining nine cards to tricks.
The Official Rules for Buh: A simple but addictive betting game for two to eight players. Introduction, rules, history and variants.
Tredici: The rules to an invented game in which players try to collect all the cards of one suit before the others.
Two Way Street: Rules of the game, for two or more players.
U.S. Games Systems, Inc.: A wide variety of tarot cards and card games.
Wyoming Cowboy: Rules, strategy and a FAQ about the game.