Solitr.club is described as '- Solitaire, Freecell, Spider, Klondike HTML5 free online games'. There are more than 25 games similar to Solitr.club for a variety of platforms, including Android, iPhone, Android Tablet, iPad and Windows. The best alternative is Simple Solitaire Collection, which is both free and Open Source. Other Solitr.club like games are PySolFC (Free, Open Source), AisleRiot (Free, Open Source), Solitaire.gg (Free) and Solitaire Planet (Paid).
Play Solitaire with this simple game! Currently you can play AcesUp, Canfield, Forty&Eight, FreeCell, Golf, Grandfathers Clock, Gypsy, Klondike, Mod3, Pyramid, SimpleSimon, Spider, Tripeaks, Vegas and Yukon. If you want me to add more games, please tell me.
Aisleriot (also known as Solitaire or sol) is a collection of card games which are easy to play with the aid of a mouse. The rules for the games have been coded for your pleasure in the GNOME scripting language (Scheme).
Solitaire.gg provides a huge collection of solitaire games including Klondike, FreeCell, Spider and many more. The entire collection is open-source and also playable online with just the right amount of options to configure basic settings and appearance.
Solitaire Planet is an immersive and highly configurable 3D solitaire collection for the desktop and mobile. Enjoy a whole world of solitaire games. Escape for minutes or for hours, you can always come back for endless entertainment.