1st Free Solitaire: A collection of 7 free solitaire card games for Windows, including the games Yukon, FreeCell, Klondike, Flower Garden, Monte Carlo, Bisley and Carpet.
CMT Solitaire: Forty different games, and new games can be added by defining their layout and rules in a text file.
Cribbage Solitaire: Score as many points as possible as you work your way through a deck of cards playing six hands and five cribs. (Windows)
Double Klondike Solitaire: Just like Klondike Solitaire for Windows but with two decks of cards, ten columns, and five cards flipped at a time.
Folly - Solitaire game for Windows: Challenging game of solitaire for Windows with help file with rules and strategy guide
Free Solitaire: Ten of the most popular solitaire games available to download for free, featuring large, realistic cards for high-res screens.
Loydware: Windows 95/98/2000/NT Classic Count 11 and Up and Down. Download freeware.
Pysol: An open source (GNU GPL) collection of solitaire card games, written in Python.
RekoNet: Collection of solitaire cardsets that can be used with many programs. Includes links to other cardset resources and games.
Ronda: Version of Solitaire-style game popular in Morocco.
Solitaire Games and Photo Sets: Collection of games with hundreds of card sets for Windows or Amiga.
Spider Solitaire: A Windows application played entirely offline.
Spider Solitaire: A gratis implementation of the Spider game.
Wiz Solitaire: A dozen solitaire games, including Klondike, FreeCell, Spider, Pyramid. Includes rules. Comes with fantasy illustrations on the faces of cards; users can make their own decks. Windows and Java versions.