step-ca

step-ca

An automated, ACME-compatible certificate authority for services and machines

8.5k 547
Apache-2.0
last commit 2026-03-03
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🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.

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  • Certificate Authority
    Core

    Issue and manage TLS certificates

  • Automated Certificate Issuance
    Core

    Automate certificate creation and renewal

  • ACME Support
    Core

    Support ACME-based certificate workflows

  • Identity Integration

    Issue certificates based on identity

  • Audit Logging

    Log certificate operations

  • Self-Hosted Deployment

    Run the certificate authority on your own infrastructure

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