Swarm
Swarm is a distributed storage platform and content distribution service, a native base layer service of the Ethereum web3 stack that aims to provide a decentralized and redundant store for dapp code, user data, blockchain, and state data.
Swarm sets out to provide various base layer services for web3, including node-to-node messaging, media streaming, decentralized database services, and scalable state-channel infrastructure for decentralized service economies.