BitShifters  
   Several invented poker game variations.
   http://bitshifters.com/poker.html

Joker High  
   Rules for the game invented by Michael Lawson.
   http://www.jokerhigh.net/

Invented Card Games  
   Rules for a number of recently invented card games.
   http://www.pagat.com/invented/

Tredici  
   The rules to an invented game in which players try to collect all the cards of one suit before the others.
   http://www.theworldofstuff.com/tredici/

U.S. Games Systems, Inc.  
   A wide variety of tarot cards and card games.
   http://www.usgamesinc.com/

Wyoming Cowboy  
   Rules, strategy and a FAQ about the game.
   http://www.wyomingcowboy.org/

The Official Rules for Buh  
   A simple but addictive betting game for two to eight players. Introduction, rules, history and variants.
   http://www.alcyone.com/max/projects/cards/buh.html

Two Way Street  
   Rules of the game, for two or more players.
   http://www.angelfire.com/games2/2waystreet/

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.
   http://www.pagat.com/exact/99.html

M.E.K. Games  
   Producing a series of medieval fantasy card games beginning with Armory.
   http://www.mekgames.com/

Legend Games  
   Publishes Age of Heroes. Includes game information and educational benefits.
   http://www.legendgames.net