CryptoKitties - Breed and collect adorable creatures using Ethereum
Set in Block - Blockchain-based permanent message creator and reader
Neko Atsume: Kitty Collector - Adorable Japanese cat-collecting game. Meow!
Crypto Lambo - Hodl the only Lambo on the Blockchain
Ethereum Gas Monitor - Ethereum Gas Monitor is a mac menu bar app that displays gas prices for fast, average and safe slow ethereum transactions.
MetaMask.io - A crypto wallet & gateway to blockchain apps