FreiExchange was founded in 2016 in Norway by a team of local enthusiasts aiming to support Freicoin, an old crypto, that is also called “Bitcoin with demurrage”. The trading volume on this platform is rather moderate. As of now, it offers 31 cryptocurrency pairs with Bitcoin as a counter currency.
Kyber is the decentralized liquidity aggregator that ensures swap of various tokens. Due to the on-chain liquidity protocol, Kyber allows for quick exchange of tokens in any decentralized application.