Best State Channels Software

Perun is a blockchain-agnostic state channels framework for scaling blockchains via off-chain transactions, developed as a Hyperledger Labs project.

Celer Network is a layer-2 blockchain interoperability protocol enabling one-click cross-chain access to tokens, DeFi, GameFi, NFTs, and more across multiple chains.

Raiden Network is an off-chain scaling solution for Ethereum using payment channels to enable near-instant, low-fee, scalable ERC20 token transfers, akin to Bitcoin's Lightning Network.

Connext is an interoperability protocol that enables fast, non-custodial transfers and contract calls between blockchain networks using its NXTP protocol.