onioncat ☆
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Description:
VPN-adapter that provides location privacy using Tor or I2P
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Networking
Tags: vpn tor i2p networking privacy ipv6
Install: brew install onioncat
About:
Onioncat creates a transparent network bridge that forwards IPv6 traffic through anonymizing layers like Tor or I2P. It assigns a unique IPv6 address to each hidden service, enabling secure peer-to-peer communication without exposing real IP addresses. This tool effectively turns the anonymity network into a VPN for location privacy.
Key Features:
  • Transparent IPv6 forwarding over Tor/I2P
  • Location privacy via hidden service architecture
  • Supports UDP for VoIP and real-time applications
  • Zero-configuration networking for peer connections
Use Cases:
  • Secure remote access to services without exposing IP
  • Anonymous peer-to-peer communication
  • Bypassing NAT/firewalls using hidden services
Alternatives:
  • ZeroTier – ZeroTier provides faster performance but lacks built-in anonymity features
  • tunnelblick – tunnelblick requires centralized VPN servers instead of decentralized hidden services
Version History
Detected Version Rev Change Commit
Sep 16, 2025 9:04am 0 VERSION_BUMP 9adfb515
Sep 12, 2024 7:20pm 0 VERSION_BUMP a5a63014
Jan 19, 2024 6:21am 0 VERSION_BUMP 8828fab5
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