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

Feathercoin is a PoW coin with a fast block processing time. The project was developed with the goal of creating a user friendly coin with fast transaction times and low fees. The Feathercoin network features Automatic Checkpointing (ACP), which is used to prevent 51% attacks. ACP creates a new checkpoint every 5 blocks, protecting the history of the Feathercoin blockchain.

TransferCoin is a digital currency with a hybrid PoW and PoS consensus mechanism. TransferCoin uses the X11 encryption algorithm and has a relatively fast block time.