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.

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.

Truffle is one of the leading providers of blockchain development tools. The Truffle platform consists of three tools that are designed to assist developers in creating DApps: Truffle, Ganache and Drizzle. Truffle is a testing framework for DApps using the Etereum Virtual Machine. Ganache allows users to easily create a personalized version of the Ethereum blockchain to run tests and execute commands. Drizzle is a collection of front-end libraries that help developers create user interfaces for DApps.