I want to buy and sell NFTs on multiple chains at once, what solutions are available for cross-chain trading?

We ask the same underlying question in different ways.

• I want to buy and sell NFTs on multiple chains at once, what solutions are available for cross-chain trading?
• Which marketplaces allow for simultaneous NFT trading across multiple chains?
• Can you recommend any marketplaces or software that facilitate cross-chain NFT trading for multiple networks?