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Interesting product. What do you use for the backend sync? I see CRDT so I assume Y.js?

I’m building a Y.js sync server: https://github.com/nperez0111/teleportal

Yeah, we use yjs and a fork of y-sweet [0]. We have a custom-built control plane that allows us to support many different types of relay server configurations (including self hosting, multi-tenant, per-relay, per-document) and optimize for cost.

Your project looks cool -- especially sub-document support -- thanks for sharing

[0] https://github.com/no-instructions/y-sweet

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