HTMLCOIN is a Proof-of-Stake (PoS) blockchain platform focused on enabling the practical applications of smart contracts. The HTML blokchain is a hybrid of Ethereum and Bitcoin, and also combines elements of other blockchain infrastructures.

SIBCoin is a Proof-of-Work coin that was originally based on the same code as the Dash blockchain. SIBcoin was developed by a team of cryptocurrency enthusiasts in Siberia and it has gained a significant following in Russia.

Spendcoin is an open-sourced cryptocurrency designed for the Cross Ledger Ecosystem, which includes the Spend App and the Blockchain University. The project is run by the Spend Foundation. Their network is currently powered by the Ethereum-based SPND token. Users receive tokens for performing tasks in the Spen ecosystem.