Axelar

Multichain is a non-custodial cross-chain router protocol symbolizing decentralization. It processes Multichain cross-chain bridging and smart contract methods on other chains. Multichain’s 1:1 bridge enables users to perform 0 slippage transfers and eliminate the hidden cost associated with AMM. Multichain Router allows users to swap between any two chains freely, reducing fees and making it easier to move between chains.

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.

Aptin is a decentralised non-custodial liquidity market protocol where users can participate as depositors or borrowers.