Cardstack is a blockchain technology company that is developing an open-source framework and consensus protocol to make blockchains more usable and scalable. Their goal is to create a decentralized modular smart contract ecosystem. The Cardstack network is powered by the Ethereum-based CARD token.

Harmony is developing an open consensus blockchain platform. Harmony's sharding-based consensus mechanism is designed to scale as the number of nodes increases in the network. Harmony aims to tackle issues related to scalability by optimizing across multiple layers in a way that will enable parallel transaction processing with reduced latency. Harmony is currently powered by the ONE token, which is built on the Binance blockchain.

TomoChain is a DApp development platform compatible with Ethereum smart contracts. Their goal is to enable faster and cheaper transactions. Their network will have a Proof-of-Stake (PoS) consensus mechanism, with a system of 150 Masternodes. TomoChain will be compatible with Ethereum-based smart contracts, and will allow users to issue their own tokens. The company has offices in Singapore, Japan, and Vietnam.