Ethereum Developer Tools
Massive list of Tools for building on Web3
Learn to Build on Ethereum With Kauri Articles, Tutorials, Documentation and Best Practices
Connext is a layer two scaling platform that lets Ethereum projects enable lightning fast transactions for their users.
Counterfactual is a state channels based protocol for off-chain blockchain-based applications.
Spankchain has contributed a lot of research and materials on state channel architecture. They released a proof-of-concept for generalized state channels in early 2018.
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