If you are looking to create an NFT marketplace like OpenSea, you can consider developing an OpenSea clone. OpenSea is a popular NFT marketplace that allows users to buy, sell, and trade NFTs .
An OpenSea clone is a pre-built online solution that comes with all the significant features required to create a full-featured NFT marketplace platform . There are several OpenSea clone scripts available in the market that you can use to create your own NFT marketplace platform. For instance, Appdupe provides a customizable OpenSea clone script that comes with advanced features such as smart contract integration, real-time analytics, and more