Similar coins
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.
MediShares (MDS) token is based on cryptocurrency Ethereum protocol. You can buy the token on the number of exchanges with crypto (BTC, ETH or USDT).
SALT an Ethereum-based token of the eponymous lending service, where one can borrow cash in exchange for collateral in crypto. The currency pairs including this token are listed on a few exchanges.