Euler Finance offers a modular lending platform that enables users to lend, borrow, and build on the Ethereum blockchain without limits. It features various modules like the Ethereum Vault Connector (EVC) for lending activities, Euler Core for lending and borrowing popular digital assets, and Euler Edge for creating and activating personal lending vaults. The platform emphasizes security with multiple audits and a bug bounty program, and it is governed by the community through the Euler DAO.