Polkadot - Polkadot is a Web3 decentralized cross-blockchain protocol that seeks to connect different blockchains, enabling them to share security, interoperate and transact with each other.
Truebit - Truebit is a blockchain network that allows for trustless smart contracts.
iExec - Blockchain-Based Decentralized Cloud Computing.
Wanchain - Wanchain is a blockchain platform that enables the transfer of value between different blockchains.
Cartesi - Cartesi is a blockchain OS that integrates Linux and standard programming environments to the blockchain.
Tellor - Tellor is a decentralized data provider that is built on Ethereum.