CryptoKitties - Breed and collect adorable creatures using Ethereum
CryptoTwittos - Own Twitter accounts, on the blockchain
MetaMask.io - A crypto wallet & gateway to blockchain apps
Ethereum Gas Monitor - Ethereum Gas Monitor is a mac menu bar app that displays gas prices for fast, average and safe slow ethereum transactions.
CryptoFighters - Collect, train and battle with unique fighters with Ethereum
NYSE First Trade NFTs - NYSE now lets companies "own" the moment in time where a they first goes public.