utls
The premium Open Source alternative to Cloudflare WAF
🎯 Best for:Developers building tools to bypass TLS-based network filtering.
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
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to utls instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Cloudflare WAF)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%