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XCA vs certstrap: catalog facts
XCA	certstrap
Free Free to download, with source code published on GitHub.	Free Free and open source under the Apache 2.0 licence.
macOS	Windows, Linux, Command line
Covers a full CA workflow including sub-CAs and CRLs Templates for issuing similar certificates	Simpler than raw openssl commands Covers CA creation, CSRs and signing
Assumes familiarity with PKI concepts Interface is functional rather than polished	Command line only Aimed at basic private PKI rather than full certificate lifecycle management
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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