Here, I am describing the NFT mint engine package functionality. every package has some unique feature. I will provide the same functionality feature.

NFT Basic package
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1. ERC 721 smart contract with optimization
2. Mint
3. Update Base URI
4. Floor Price
5. Opensea Integration

NFT Mint Engine Standard package
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1. ERC 721A smart contract with optimization
2. Mint
3. Change Base URI
4. Floor Price
5. Whitelist
6. Blacklist
7. Opensea Integration
8. NFT display in metamask

NFT Marketplace:
1. All required pages are designed in HTML
2. NFT has mint, buy and sell feature with cross-chain
3. Admin charge fees on mint and sell time as the commission
4. Admin panel for managing all nft and view information
5. NFT divide according to category wise, filter, sorting features
6. Metamask and trust wallet connect integration
7. Minted nft will be displayed in metamask app
8. Royalty functionality on-sell time