Solitaire Man
solitaire-man.com
Features rules, history, glossary, and strategy for solitaire games and variations.
United States Playing Card Company: Solitaire Games
usplayingcard.com
Features rules and instructions for multiple variations.
Solitaire Strategy by ChessandPoker.com
chessandpoker.com
Nine-step decision making process that guides a player to the correct play. Also presents specific strategies for Klondike.
Semicolon Software
semicolon.com
Features articles about winning at multiple solitaire variations.
dogMelon
dogmelon.com.au
Provides rules, descriptions, and graphical examples of multiple solitaire games.
Card Games: Competitive Patience
pagat.com
Rules for four variations of multi-player patience (solitaire) and links for one-player games.
Solitaire Laboratory
solitairelaboratory.com
Features solutions and descriptions for Freecell, Giza, Pyramid Puzzlements, and Fourteen Out.
BVS Solitaire Collection
bvssolitaire.com
Provides introduction and rules for a several original solitaire variations.
Solitaire Central
solitairecentral.com
Rules, descriptions, and pictures of patience games. Also offers web-based game software.