certstrap

The premium Open Source alternative to HashiCorp Vault (PKI Engine)

🎯 Best for:Small to medium teams needing a private CA for internal service communication.

What is certstrap?

A lightweight tool for bootstrapping Certificate Authorities and managing SSL/TLS certificate requests. It simplifies the creation of root CAs, intermediate CAs, and signed certificates without the configuration overhead of OpenSSL.

Tech Stack
GoSecurity & Passwords

Why certstrap?

  • No OpenSSL config files
  • Secure-by-default defaults
  • Portable Go binary

Limitations

  • No automated certificate renewal
  • Manual key management
  • No web interface
2/27/2026
Last Update
212
Forks
32
Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to certstrap instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on HashiCorp Vault (PKI Engine))
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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