Peepeth - Blockchain-powered Twitter with a soul.
CryptoKitties - Breed and collect adorable creatures using Ethereum
DeSo - DeSo is a new layer-1 blockchain built from the ground up to scale decentralized social applications to one billion users.
CryptoAlpaca - Adopt unique alpaca on blockchain and shear wools everyday
HOOP - Where you trigger & evolve "social video chains"
Mars Genesis - 10,000 unique parcels of Mars stored on the blockchain