Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
IPFS - IPFS is the permanent web. A new peer-to-peer hypermedia protocol.
BigchainDB - The scalable blockchain database.
MultiChain - Blockchain and Blockchain Platforms
MaidSafe - The Decentralized Internet is Here