Matcha is a dex aggregator with a discovery and routing algorithm that finds the best prices on Ethereum, Polygon, Avalanche, and BSC chains. Matcha is built on top of 0x Protocol and probably is one of the largest Dex Aggregators on Ethereum. There is a list of Matcha alternatives:
DexGuru is a trading platform for modern traders where in-depth on-chain analytics combined with trading capabilities.
KyberSwap is a multi-chain decentralized exchange (DEX) aggregator which provides traders with the best token prices by analyzing rates across over 60 DEXs across 12 chains. Interview with Loi Luu, CEO and co-founder of Kyber Network.
ParaSwap is a decentralized exchange aggregator that provides the best prices over multiple DEXs on the Ethereum, and many others EVM blockchains. Interview with ParaSwap CEO and founder, Mounir Benchemled.
On-chain liquidity protocol allows decentralized token swaps to be integrated into any application. Interview with Loi Luu, CEO and co-founder of Kyber Network.