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Try Glitr

The app is the product: Open Glitr. These pages open one layer at a time so you can feel messaging, storage, and encryption without reading a protocol spec.

Each link is a real experience in the browser. None of them require you to clone source. The Signal Protocol page is the only one that also offers source code.

Start here

  1. Messaging — two mailboxes, ticks, poll, optional live.
  2. Live link — two browsers, a handshake, a direct data path.
  3. Your storage — git as the place files actually live.

Then the locks

  1. Encrypted records — structured documents on git, with fields you can seal.
  2. Encryption tools — the primitives behind the password envelope.
  3. Post-quantum — ML-KEM and PQXDH.
  4. Signal Protocol — the open handshake library.

If you already know you just want to talk to one person, skip this section and use Your first conversation.