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.

Tendermint is a consensus algorithm that was created by a company called All in Bits. The open source algorithm is Byzantine Fault-Tolerant and uses an authenticated encryption system to secure transactions. The Tendermint consensus mechanism was developed in 2014 for the Cosmos Network. The Interchain Foundation, which is developing the Cosmos Network, continues to employ All in Bits to support Cosmos.

NULS is creating a blockchain coding environment that will be easy to use. NULS wants to make a blockchain development platform that will offer a solution for developing decentralized applications, at a lower cost and with less technical knowledge. The company has teams working in several countries and the platform is powered by the NULS token.
NULLS uses modular smart contracts that are flexible and can be customized for business needs. NULLS provides a coding environment where developers can utilize multi-chain mechanisms, cross-chain consensus, and other technical blockchain features with less technical knowledge.