Aave
Aave is an open source and non-custodial liquidity protocol designed to enable users to earn yield.
aave.com

Universal
Basic Income (UBI)
built on Celo.
ImpactMarket, built on Celo, is a decentralized poverty alleviation protocol. Using the universal basic income mechanism, impactMarket helps vulnerable communities alleviate poverty, by allowing transparent and intermediary-free funds to be sent via smart contracts on the Celo blockchain.

Immortal DAO
DeFi 2.0 protocol that helps users generate passive income through staking.
immortaldao.finance