Parity Technologies is an influential blockchain development company that offers a variety of open-source software solutions for creating and using decentralized technologies. Some of their solutions include Ethereum and Bitcoin clients, cross-chain technologies, smart contracts, testnets, and cryptocurrency wallets. The company was created by Gavin Wood, the co-founder of Ethereum.

GoWithMi is developing a decentralized location-based services (DLBS) infrastructure. GoWithMi aims to create a comprehensive geolocation network that will provide incentives for users to contribute location data, and will support cross-chain communication. The network is powered by the Ethereum-based GMAT token.

Hydrogen is a fintech company that develops API' for creating financial applications. They are developing the open-source Hydro blockchain platform that emphasizes identity management and security. The network is powered by the Ethereum-based HYDRO token.