threema
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Description:
End-to-end encrypted instant messaging application
Type: Cask  |  Latest Version: 1.2.49@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @threema_ch  |  formulae.brew.sh
Category: Security
Tags: messaging encryption privacy communication security
Install: brew install --cask threema
About:
Threema is a privacy-focused, end-to-end encrypted instant messaging platform that prioritizes user anonymity by not requiring a phone number or email for registration. It offers reliable communication for individuals and organizations seeking secure messaging, voice calls, and data sharing without relying on centralized infrastructure.
Key Features:
  • End-to-end encryption for all communications
  • Phone number independent registration
  • Swiss-based servers and data protection
  • Voice and video calling capabilities
Use Cases:
  • Secure business communication
  • Private messaging for privacy-conscious users
Alternatives:
  • Signal – Open source alternative with similar encryption but requires phone number
  • WhatsApp – More widely adopted but owned by Meta with less privacy focus
Version History
Detected Version Rev Change Commit
Sep 15, 2025 1:06pm 1.2.49 0 VERSION_BUMP 5e499751
Sep 12, 2025 4:48pm 1.2.49 0 VERSION_BUMP a7e4bdda