session
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Description:
Onion routing based messenger
Type: Cask  |  Latest Version: 1.17.8@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @SessionApp  |  formulae.brew.sh
Category: Security
Tags: messaging privacy security encryption anonymity onion-routing
Install: brew install --cask session
About:
Session is a privacy-focused messenger that uses a decentralized onion routing network to hide your IP address and metadata. Unlike typical messaging apps, it requires no phone number or personal information to create an account, ensuring true anonymity. All messages are end-to-end encrypted and routed through an onion network similar to Tor, making it extremely difficult to trace communications.
Key Features:
  • Onion routing network for IP obfuscation
  • No phone number required for registration
  • End-to-end encryption by default
  • Decentralized architecture
  • Open source codebase
Use Cases:
  • Anonymous communication for journalists and activists
  • Private messaging without revealing identity or location
  • Secure communication in surveillance-heavy environments
Alternatives:
  • Signal – Signal requires phone number and uses centralized servers, while Session is fully decentralized and anonymous
  • Telegram – Telegram is not end-to-end encrypted by default and collects metadata, while Session is private by design
Version History
Detected Version Rev Change Commit
Feb 1, 2026 4:18pm 1.17.8 0 VERSION_BUMP 20352bad
Jan 23, 2026 7:43am 1.17.7 0 VERSION_BUMP 649acf8b
Jan 8, 2026 1:39am 1.17.6 0 VERSION_BUMP 22742052
Dec 17, 2025 1:34am 1.17.5 0 VERSION_BUMP 5f8bdc5f
Sep 19, 2025 7:07pm 1.16.10 0 VERSION_BUMP 6e34154e
Sep 9, 2025 4:33am 1.16.8 0 VERSION_BUMP 42b931e0
Sep 5, 2025 7:37am 1.16.7 0 VERSION_BUMP 0e279def
Aug 14, 2025 7:27am 1.16.6 0 VERSION_BUMP bfa10324
Aug 12, 2024 9:48am 1.13.0 0 VERSION_BUMP 52abeab3
Jul 23, 2024 6:49am 1.12.5 0 VERSION_BUMP 2d901f51
Jun 30, 2024 12:02pm 1.12.4 0 VERSION_BUMP 44cb3bf0