PySolFC - PySolFC is a collection of more than 1000 solitaire card games. It is a fork of PySol Solitaire.
123 Free Solitaire - High-quality solitaire collection including Spider solitaire, FreeCell, Klondike and more.
World of Solitaire - Over 50 beautiful free web based Solitaire games. Klondike, Spider, FreeCell and more.
Solitaired - Fastest loading solitaire game on the internet. No ads, registration, or download required.
BVS Solitaire Collection - Award winning collection of solitaire card games for Windows/macOS and iPad/iPhone.
Solitaire.gg - Massive open-source solitaire project with hundreds of games.