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Share Obsidian notes with friends

With Caldera you can send a note from your Obsidian vault to a friend as an end-to-end encrypted card; it arrives in their vault as a normal note. Friends are members who follow each other, and the hub only ever stores ciphertext it cannot read.

Updated 2026-10-18 · by mjonesone, LLC

How to share

  1. Install Caldera in Obsidian and follow your friend; when they follow back you are friends.
  2. Open a note and run Caldera: Share this note with a friend.
  3. It lands in their vault the next time Obsidian is open.

Good things to share

Mark notes friends can receive with caldera: friends.

Privacy

Notes are encrypted on your device with your friend's key. Caldera cannot read them. See Share Obsidian notes privately.

Try it free. Sign up with GitHub in about 30 seconds, or install Caldera in Obsidian. Sign up with GitHub Install for Obsidian

Questions

Do both people need Obsidian?

Yes, to send and receive notes.

Can I share a whole vault?

No, note by note.

Can Caldera read shared notes?

No. They are end-to-end encrypted.

Is it free?

Yes.

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