Alethio is an Ethereum analytics platform that allows users to access indexed blockchain data in real time. It can be used to gain insights about Ethereum transactions, smart contracts, and DApps. Alethio is a ConsenSys portfolio company.

Chromia is a relational blockchain platform that is designed to be both a blockchain and a relational database. Chromia was created by a Swedish development company called ChromaWay, with the intention of combining the advantages of a blockchain's transparency with the benefits of a relational database system, such as data independence and reduced redundancy.

Japan Content Token, also known as JaCKet, is developing a blockchain middleware platform that will provide a variety of services to assist clients in leveraging distributed ledger technology. The JaCKet network is powered by the Ethereum-based JCT token.