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Zero

  • Open source

Verified Sep 2026

Query-driven sync engine

Rocicorp's sync engine streaming Postgres queries to the client: built for instant, local-first apps.

Rocicorp's query-driven sync engine: read Postgres with a client-side query language (ZQL), get reactive local state with write flows. The distilled lessons of Replicache/Mulberry: 'sync is the database' as a product.

Who it's for

Teams building reactive apps where the frontend queries the backend data directly with local sync.

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