deltachat ☆
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Description:
Secure and reliable decentralised instant messenger
Type: Cask  |  Latest Version: 2.49.1@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @deltachat  |  formulae.brew.sh
Category: Networking
Tags: messaging email encryption privacy communication
Install: brew install --cask deltachat
About:
Delta Chat is an email-based messenger that uses existing email infrastructure for secure messaging. It leverages Autocrypt for end-to-end encryption, ensuring privacy without requiring new accounts or centralized servers. The application turns any standard email address into a full-featured chat platform.
Key Features:
  • End-to-end encryption via Autocrypt
  • No centralized servers or phone numbers required
  • Compatible with any standard email provider
  • Group chat and multimedia sharing support
Use Cases:
  • Private messaging using existing email infrastructure
  • Secure communication for teams and organizations
  • Privacy-focused chat alternative to mainstream apps
Alternatives:
  • Signal – Requires phone number and centralized infrastructure
  • Thunderbird – Traditional email client without modern chat UX
Version History
Detected Version Rev Change Commit
Apr 21, 2026 6:59pm 2.49.1 0 VERSION_BUMP ec1036f7
Apr 15, 2026 7:01pm 2.49.0 0 VERSION_BUMP 86a486f1
Apr 1, 2026 4:10pm 2.48.0 0 VERSION_BUMP 02a9d505
Feb 27, 2026 3:49pm 2.43.0 0 VERSION_BUMP 8d769e08
Jan 5, 2026 7:25pm 2.35.0 0 VERSION_BUMP 50c2e903
Aug 20, 2025 12:52pm 2.11.0 0 VERSION_BUMP 1681d35a
Aug 6, 2025 6:53am 2.10.0 0 VERSION_BUMP 68fad1b8
Aug 2, 2025 9:39pm 2.9.0 0 VERSION_BUMP df9c4403
Jul 31, 2025 12:52pm 2.8.0 0 VERSION_BUMP c28f4bd5
Jun 25, 2024 12:51pm 1.46.1 0 VERSION_BUMP 14fd489a
Nov 25, 2023 8:00am 1.42.1 0 VERSION_BUMP f8023939
Sep 15, 2023 6:37pm 1.40.4 0 VERSION_BUMP ddcc6989
Apr 12, 2023 9:38am 1.36.1 0 VERSION_BUMP 6cacb929
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