Chains Invent Insanity is a Cards Against Humanity answer card generator. As the name suggests, it generates cards based on a Markov Chain compiled from a wordlist. This wordlist is comprised of every single (official) answer card ever written for every edition of the game.
A service that will print high-quality stickers, business cards, and what have you out of images that you send to them. Their prices are quite reasonable, also.
Count Zero's article on magstripe reading/writing reprinted in the sci.electronics FAQ.
Know Your Meme's page on the 4chan Drinking Game. With links to download the cards if you feel demented enough to want to play.
Create your own badges and ID cards. Not really official looking, but gamers will find it useful for making prop ID cards.
MPC is a company that prints custom decks of cards (54-234 cards per pack) in multiple sizes. You'll probably want to buy in bulk to get a decent price. People tend to use this service for their aftermarket Foo Against Humanity decks.
A website and Youtube channel for stage magic and prestidigitation. Specializing in close-up stuff, like cards and coins. slightofhand flourishes throwing tricks store
A utility that reads the data from magstripe cards and tells you what's on them.
Ever wanted to e-mail someone a greeting card from Ayn Rand? Well, now you can!
A site that lists every creditcard vendor and their Cardholder Verification Methods for the cards they issue. The site seems to be crowdsourced because the companies don't necessarily publish this stuff.
A company that prints custom playing cards in small batches. Will even print single decks of cards at a good price. Download their template file prior to sending an order.
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