Koizumi

Econia is a back-end settlement layer developed on Aptos's Block-STM execution engine. It utilizes a Move-native codebase and leverages Aptos for composability and parallelism, offering a suite of extensible features to integrating protocols and market makers. Designed by developers, for developers, and incorporating developer feedback, Econia unlocks the foundational layer of Aptos DeFi, enhancing its functionality and versatility.

Foil is developing a DeFi Super app, aiming to revolutionize the Move Ecosystem. It is committed to providing the lowest fee stable swap and cross-chain liquidity protocol, making it a cost-effective and efficient solution for users navigating the DeFi landscape.

Wing Finance is a credit-based, cross-chain DeFi platform. The content from this URL could not be retrieved, so I'm unable to provide a detailed introduction.