CryptoKitties - Breed and collect adorable creatures using Ethereum
Ethereum Gas Monitor - Ethereum Gas Monitor is a mac menu bar app that displays gas prices for fast, average and safe slow ethereum transactions.
CryptoPunks - Unique characters you can own on the Ethereum blockchain
SmartContract UI - Quickly interact with smartcontracts on over 260 chains!
CryptoCosmos - All 4380 known planets in the cosmos as collectable NFTs
CryptoTwittos - Own Twitter accounts, on the blockchain