PrintablePaper.net provides a number of free, downloadable score sheets for various card games such as gin rummy and Canasta. CardTallies.com is a website that sells score sheets, scorecards and other scorekeeping pads for use in card games such as contract bridge and euchre.
Printable Paper archives printable templates of score sheets for card games, sports and other activities. Some of the card game score sheets that are available on the website include Chicago bridge and cribbage. Some products available at Card Tallies include a gin rummy scorepad and a spades score pad. Songseek.com is a website that offers PDF files of both hearts and Oh Hell score sheets.