Bisq exchange was launched back in 2014. At that time it was one of the first Decentralized Autonomous Organizations (or simply DAO). According to the founders of this exchange, one of the goals of Bisq network is to "keep the original spirit of Bitcoin alive".
Trade.io (currently (TIOmarkets) is a centralized trading platform. In October, 2019, the Trade.io exchange suspended its operation and rebranded in TIOmarkets to be able to provide more markets, such as forex, shares, indexes, metals and cryptos.
BITLEVEX is a next-generation cryptocurrency exchange with groundbreaking technology and a wide range of instruments. The mission of the exchange is to create a universal gateway into the crypto world for every human being.