Pexels Cats - Best free cat photos in one place
CryptoKitties - Breed and collect adorable creatures using Ethereum
Legoizer - Turn images into Lego murals.
Crypto Corgis - Crypto corgis live (and die) on the blockchain
Pix2pix - Turn your terrible doodles into cats and other things ✏️😸
Mars Genesis - 10,000 unique parcels of Mars stored on the blockchain