Pretty Good Solitaire is a collection of 500 solitaire card games, from classic games such as Klondike, FreeCell, and Spider to original games found nowhere else. Each game offers undo/redo, autoplay, selectable card backs and background colors, score-keeping functions, and win/loss statistics. Pretty Good Solitaire will save game positions automatically upon exit and store settings and games for multiple players. You can even play groups of games together and keep a cumulative score. You can submit your statistics to the Web site and see how you rank against other players.
More info:
hxxp://www.goodsol.com/pgs/index.html