Apscan

Patronus is a DeFi Liquidity Protocol which aims to provide a suite of DeFi products and services for a safer and more efficient capital flow.

Ferum is an on-chain order book on Aptos that stands out for its developer-friendly features. It provides a platform that is easy to navigate and use, making it an ideal choice for developers working with Aptos.

Ditto is a liquid staking solution constructed on the Aptos blockchain. It allows users to stake their Aptos tokens to earn yield and contribute to the decentralization of the network, all while maintaining liquidity. This means users can earn rewards from staking while still having the flexibility to use their tokens as needed.