Beetle Coin is a PoS cryptocurrency that places an emphasis on raising awareness and funds for environmental issues. The coin is traded and listed under the BEET symbol.

OKCash is a Proof of Stake cryptocurrency that was released under the MIT licence.

Denarius is a hybrid cryptocurrency with a consensus mechanism that combines elements of Proof of Work and Proof of Stake. Denarius' cryptographic hashing algorithm, Tribus, is ASIC resistant, and consists of three of the most secure and popular cryptographic algorithms. Denarius is named after a Roman coin that was widely used during the peak of the Roman Empire.