Compare software

step-ca vs XCA: catalog facts
step-ca	XCA
Free Free and open source.	Free Free to download, with source code published on GitHub.
Linux, Self-hosted, Command line	macOS
Issues both X.509 and SSH certificates Built-in ACME server for automated renewal	Covers a full CA workflow including sub-CAs and CRLs Templates for issuing similar certificates
Running a private CA requires careful key management Aimed at administrators comfortable with PKI concepts	Assumes familiarity with PKI concepts Interface is functional rather than polished
Downloadable app, Self-hosted	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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