World of Solitaire - Over 50 beautiful free web based Solitaire games. Klondike, Spider, FreeCell and more.
Sage Solitaire - A new twist on solitaire from the maker of SpellTower
SOLITAIRE100 - Free solitaire card games including Classic Solitaire, Spider Solitaire, Pyramid Solitaire, and FreeCell Solitaire. Play now!
123 Free Solitaire - High-quality solitaire collection including Spider solitaire, FreeCell, Klondike and more.
PySolFC - PySolFC is a collection of more than 1000 solitaire card games. It is a fork of PySol Solitaire.
Solitaire.gg - Massive open-source solitaire project with hundreds of games.