Lyunotes

Notes that stay yours.

About

We build software the way we'd want to trust it: notes and files encrypted with a key only you hold, synced through your own cloud instead of ours. Lyunotes is our attempt at a notebook that's also a vault — designed so we structurally cannot read what's inside. Not a policy we promise to follow, but something you can verify yourself.

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LyunotesThe notebook that also mounts as an encrypted vault
Sep 2026

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Joined Product HuntSeptember 28th, 2026

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22h ago

Lyunotes - The notebook that also mounts as an encrypted vault

Lyunotes is a notebook you can also mount as an encrypted drive. Turn on encryption for any notebook, locked with a key only you hold — designed so we structurally cannot read it, not just promised not to. Sync runs through your own cloud storage, never ours. Switch any notebook between a plain note view and a journal view. Available now on Windows (since September 3) and iOS.