Site:
celo.org
TokenPay (TPAY) is the token of a decentralized payment platform, which provides fintech companies with technological solutions. It trades on a few exchanges against BTC and USDT.
Ruff (RUFF) ERC-20 token is listed on the number of exchanges paired with other crypto coins. It is used for settlements within the RuffChain.
SaluS (SLS) coin operates on its own blockchain (released in 2016) and is represented on a few exchange platforms. SaluS is an open-source network.