utls

The premium Open Source alternative to Cloudflare WAF

🎯 Best for:Developers building tools to bypass TLS-based network filtering.
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BSD-3-ClauseLicense

What is utls?

Replaces the standard Go TLS implementation to provide low-level control over ClientHello fingerprints. Enables network traffic mimicry to bypass censorship and automated fingerprinting systems.

Tech Stack
GoVPN & Network

Why utls?

  • Advanced fingerprint mimicry
  • Low-level TLS control
  • Active maintenance

Limitations

  • Complex API
  • Requires deep TLS knowledge
  • Potential for misuse
5/14/2026
Last Update
334
Forks
46
Issues
BSD-3-Clause
License
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Competitor Cost
-$1,440
/ year (est. based on Cloudflare WAF)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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