UNISWAP
Uniswap is a transparent, censorship-resistant, and fully decentralized protocol based on the Ethereum platform which acts as a financial infrastructure that provides automated liquidity. With Uniswap, you can exchange ERC-20 tokens. In a nutshell, Uniswap is a decentralized exchange.
The Dapp of 2019? How MakerDAO Took Charge of the DeFi Field
The MakerDao project is the contemporary success story for decentralized finance (DeFi). DappRadar has tagged Maker as the most influential Dapp of the year and the driving force behind the entire DeFi ecosystem.