Nethereum is an open source .NET integration library for Ethereum. It is designed to help developers easily integrate the Ethereum blockchain into their .NET applications. It consists of modular libraries for features that are covered are writing smart contracts, cryptographic wallets, DApps, and managing blockchain data.

CanonChain is developing an underlying blockchain protocol based on Fog networking and a Proof-of-Participation (PoP) consensus mechanism. Their network is designed to provide incentives for contributing computing resources on fragmented networks, and is powered by the Ethereum-based CZR token, known as Xuanchi.

Cryptaur is a Lithuanian company that is buildingg an Ethereum based payment and DApp development network. Cryptaur does not appear to have any distinct advantages over other decentralized networks. Cryptaur has plans to create a social capital management system that will be based on their Proof of Contribution algorithm.