s2n-tls
The premium Open Source alternative to OpenSSL
🎯 Best for:High-traffic network services requiring a secure, audited, and lightweight TLS stack.
What is s2n-tls?
A compact and efficient TLS implementation designed for performance and safety in high-scale environments. It prioritizes a small code footprint and reduced complexity compared to traditional libraries like OpenSSL.
Tech Stack
CVPN & Network
Why s2n-tls?
- • Extremely small attack surface
- • AWS-backed and battle-tested
- • Simplified API design
Limitations
- • Limited legacy protocol support
- • Not a drop-in OpenSSL replacement
- • Strict C99 requirement
3/6/2026
Last Update
765
Forks
298
Issues
Apache-2.0
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to s2n-tls instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on OpenSSL)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%