CryptoTwittos - Own Twitter accounts, on the blockchain
Rushline - Anonymously follow people's private conversations
Ethereum Gas Monitor - Ethereum Gas Monitor is a mac menu bar app that displays gas prices for fast, average and safe slow ethereum transactions.
Tchapper - Make all your messages unreadable
NYSE First Trade NFTs - NYSE now lets companies "own" the moment in time where a they first goes public.
Talkshow - Texting in public