dSheets offers granular access control through Hats Protocol, allowing users to manage permissions using ENS names, email addresses or wallet addresses

Quotes that support claims

No downloads, no sign-ups, full end-to-end encryption, granular permissions (email/@ens.eth/0x via @Hats Protocol 🧢), built on open standards, and w/ ZK-authentication (vOPRF-ID) for your private online collaboration.