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Apps

See it working. Then read the code.

Every demo below is a real app in the open-source repo, and the App Registry lists signed apps you can install onto any node.

See the demos Browse the App Registry ↗
Registryapps.calimero.network
my-app.mpkSigned
  • frontendsigned
  • app logicsigned
  • manifestversion · publisher
Your nodeverifies the bundle on install

01 · Collaborative editor

Two nodes, one document, no server.

Two people edit one document from two nodes. Every edit merges on its own; nothing to resolve.

  • No database and no sync server to run.
  • No conflicts: concurrent edits merge automatically.
  • Plain text or rich text, both in the repo.
View codeRich text version
same document on both nodes · edits merge as they arrive

02 · TEE Dice and TEE Cards

Results nobody can rig, secrets nobody can peek at.

The roll and the deck live inside a sealed node. Each player checks that node's attestation before playing.

  • TEE Dice: a roll no player can rig.
  • TEE Cards: hidden hands no player can peek at or stack.
TEE Dice codeTEE Cards code
one roll · produced inside Intel TDX · checked by both players

03 · More demos

Each one proves something.

Every card links to the app's code in the open-source repo.

Access rules are enforced by every node

Permissions showcase

One team space, many write rules. Every node refuses a forbidden write, even one running patched code.

View code →

Apps get real features, not a toy runtime

Search chat

A chat log with full-text search served by the node.

View code →

Your own node for development and testing

Calimero Desktop

Run a node and your apps on your own machine. macOS, Windows, Linux and Chromebook.

Desktop page →View code →
See all examples

04 · App Registry

Signed apps, installed onto any node.

Chat, documents, spreadsheets, calendars, signatures, design and games, each signed by its maker.

  • Signed by their makers, logic and frontend together.
  • Install a version from the app's page.
  • Verified by your node on install.
How the registry worksShow less

What you'll find

  • Chat
  • Documents
  • Spreadsheets
  • Calendars
  • Signatures
  • Design
  • Games

Each listing has the app's page, its versions and its links.

  1. 01

    Signed by their makers

    Every bundle carries its maker's signature, covering the logic and the frontend.

  2. 02

    Install a version

    Pick a version from the app's page and install it onto your node.

  3. 03

    Choose your registries

    Calimero Desktop reads from the registries you configure.

Browse the App Registry ↗ Get Calimero Desktop

05 · Build your own

Write the logic. We bring the stack.

Write your app logic in Rust and bundle it with its frontend into one signed package.

Your customers want control. You want to ship.

Start on Calimero Cloud, or build on the open-source runtime.

Start on Calimero Cloud Talk to us View on GitHub