KineDB

Race the in-browser WASM engine against the server. Single inserts, bulk writes, and point queries — see how local-first eliminates round-trip latency.

Subscribe to real-time change notifications. Insert, update, or delete from anywhere — the CLI, another tab — and see it appear instantly.

Two local databases — Alice and Bob — sync through the server. Step through to see data flow, diverge, and converge.

Two users drawing on separate local databases. Toggle offline, draw independently, then sync to watch strokes merge.