Fondu - Open source free ICO smart-contract builder
OpenSea - Ebay for cryptogoods. Buy and sell items on the blockchain.
thirdweb - thirdweb is an ecosystem of SDKs, dev tools, and dashboards that help teams build and manage web3 apps. Deploy custom or pre-built contracts to ETH, MATIC, AVAX, & more.
NFT Scoring - NFT Scoring tracks and analyses all NFT projects.
PAID Network - PAID network's SMART agreements will transform business
Rarible - Create, sell, collect digital items secured with blockchain