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certstrapHashiCorp Vault
Free

Free and open source under the Apache 2.0 licence.

 Freemium

A free community edition is available under the Business Source License. Enterprise and…

Windows, Linux, Command line Windows, macOS, Linux, Self-hosted, Command line
  • Simpler than raw openssl commands
  • Covers CA creation, CSRs and signing
  • Dynamic, short-lived credentials remove long-lived database and cloud secrets
  • Acts as a certificate authority and an encryption service as well as a vault
  • Command line only
  • Aimed at basic private PKI rather than full certificate lifecycle management
  • Source moved to the Business Source License, so it is no longer open source
  • Operating it properly, including unsealing and high availability, is real work
Downloadable app Self-hosted
Open source Closed source
License: Apache-2.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.