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SimpleX Chat

SimpleX Chat is a private and encrypted open-source messenger without any user IDs, providing quantum resistant end-to-end encrypted messages, disappearing messages, encrypted audio and video calls, multiple chat profiles, incognito mode, and secure connection via invitation links or QR codes.
Latest: 6.5.4 GitHub
Last checked: Jun 9, 2026 12:10am
Rank: 2927/15140
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Overview

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License: open-sourceInstaller: shell scriptSilent: YesWinget: Available
Silent install
curl -o- https://raw.githubusercontent.com/simplex-chat/simplex-chat/master/install.sh | bash

Version & Lifecycle

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Current: 6.5.4 N-2: 6.5.1 Avg cadence: Every 18 days

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

Community Notes

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Release Notes & Updates

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Avg cadence:
Updates • 0

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Also known as

Other names people use for this app — helps search and matching.

SimpleX-Chatsimplex SimpleX-Chat

Packaging Notes

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Open-source messenger with no user IDs, quantum resistant end-to-end encryption, supports encrypted audio/video calls, disappearing messages, multiple profiles, incognito mode, and encrypted portable chat database.

Notes

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Security assessments by Trail of Bits in 2022 and 2024. The app stores all user data on client devices and uses relay servers only temporarily without storing user accounts or identifiers.