Tortuga Finance is a unique platform where users can stake APT. In addition to staking, Tortuga issues tAPT (Tortuga Staked APT), enabling users to remain staked while actively participating in the Aptos DeFi ecosystem.
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.
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.
Pontem is a product development studio committed to promoting global financial inclusion through blockchain technology. In partnership with Aptos, they are building foundational decentralized applications (dApps) and other infrastructure to facilitate the adoption of Aptos's Layer 1. This includes development tooling, Ethereum Virtual Machines (EVMs), Automated Market Makers (AMMs), and more.