snowflake ☆
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Description:
Pluggable Transport using WebRTC, inspired by Flashproxy
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @torproject  |  formulae.brew.sh
Category: Networking
Tags: tor censorship-circumvention webrtc privacy networking
Install: brew install snowflake
About:
Snowflake is a pluggable transport for the Tor network that uses WebRTC to proxy traffic through web browsers. It allows volunteers to run proxy clients in their browsers, helping users bypass censorship by masking Tor traffic as standard web browsing. This provides a scalable and resilient circumvention method against advanced network filtering.
Key Features:
  • Uses WebRTC for browser-based proxying
  • Scalable through volunteer participation
  • Resistant to active probing and fingerprinting
  • Integrates with Tor's pluggable transport framework
Use Cases:
  • Bypassing internet censorship in restrictive regions
  • Providing censorship-resistant access to Tor
  • Volunteering bandwidth to help others access the open internet
Alternatives:
  • meek – Uses domain fronting via cloud providers, requires more infrastructure
  • obfs4 – Uses scrambling and encryption, but is more easily fingerprinted than Snowflake
Version History
Detected Version Rev Change Commit
Sep 15, 2025 9:07am 0 VERSION_BUMP 300b9fb0
Nov 11, 2024 7:41pm 0 VERSION_BUMP ff88f011
Nov 11, 2024 6:53pm 0 VERSION_BUMP 2df2e4f2
Sep 13, 2024 10:56pm 0 VERSION_BUMP 7763fc50
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