The Matic Network is a sidechain based scaling solution for public blockchains. Matic aims to allow developers to better scale their Ethereum DApps by using a version of Plasma, along with side chains that use a PoS consensus mechanism. Matic plans on supporting other blockchains as well in order to facilitate interoperability.

Cryptaur is a Lithuanian company that is buildingg an Ethereum based payment and DApp development network. Cryptaur does not appear to have any distinct advantages over other decentralized networks. Cryptaur has plans to create a social capital management system that will be based on their Proof of Contribution algorithm.

EvenCoin is a self-mining smart contract platform that is built on the Ethereum blockchain. EvenCoin is mined in parallel to even numbers of Ethereum blocks. The team behind EvenCoin are developing several decentralized projects that will use the self-mining protocol, including an exchange and a travel booking platform.