SmartContract.com - ChainLink - Connect Smart Contracts to your Applications and Data
Moralis - Scalable, fast and robust web3 infrastructure to build dApps
Cues.sg - Cues is a website that generates code for your own smart contracts and Web 3.0 apps, in a simple 3 step process.
Dapp Store - DappStore is a platform, which lists all popular dApps
Fondu - Open source free ICO smart-contract builder
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.