OpenSea - Ebay for cryptogoods. Buy and sell items on the blockchain.
Fakespot - Fakespot spots, analyzes and identifies fake reviews - helping you out when buying stuff online
NFT Scoring - NFT Scoring tracks and analyses all NFT projects.
Opporty - Service marketplace for small businesses on the blockchain
Rarible - Create, sell, collect digital items secured with blockchain
Stacks.co - A new internet for decentralized apps