World of Solitaire - Over 50 beautiful free web based Solitaire games. Klondike, Spider, FreeCell and more.
Churchill Solitaire - The most diabolical version of solitaire ever devised. Played by Sir Winston himself. Available via the AppStore and Google.
Microsoft Solitaire Collection - Play Klondike, Spider, Freecell, Pyramid, and TriPeaks! Plus, Daily Challenges!
Solitaire Lounge - Solitaire Lounge is a spin-off for the classical game of Solitaire with amazing animated themes.
PySolFC - PySolFC is a collection of more than 1000 solitaire card games. It is a fork of PySol Solitaire.
World Series of Poker - World Series of Poker is a Card, Trick-based, Puzzle, Single and Multiplayer video game developed and published by Playtika.