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HashiCorp Vault vs certstrap: catalog facts
HashiCorp Vault	certstrap
Freemium A free community edition is available under the Business Source License. Enterprise and…	Free Free and open source under the Apache 2.0 licence.
Windows, macOS, Linux, Self-hosted, Command line	Windows, Linux, Command line
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	Simpler than raw openssl commands Covers CA creation, CSRs and signing
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	Command line only Aimed at basic private PKI rather than full certificate lifecycle management
Self-hosted	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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