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haxida.io
Ripio Credit Network (RCN) is the ERC20 utility token of the eponymous credit network. It is a cost-effective tool that allows to process a cost-free transaction within the ecosystem. The token is trading on the number of exchanges paired with other cryptos.
As of now, Quantum Resistant Ledger (QRL) coin is represented on a few exchanges paired against BTC. Originally being an ERC-20 token, it switched to its own mainnet in 2018. The QRL claims to be the first decentralized cryptocurrency, that is resistant to both classical and quantum computing attacks.
An Ethereum token SingularDTV (SNGLS) was released in 2016. As of now, the token is represented on the number of exchanges paired against BTC and ETH.