DigiCert Private CA vs XiPKI

DigiCert Private CA9.2Visit XXiPKI8.9Visit

Higher score DigiCert Private CA #2 in Public Key Infrastructure Software 9.2/10 Pricing on request ✓ 5 of 5 features Visit DigiCert

vs

X XiPKI #5 in Public Key Infrastructure Software 8.9/10 Open source ✓ 5 of 5 features Visit XiPKI

• DigiCert Private CA fits best

  Enterprise hybrid and air-gapped PKI

• XiPKI fits best

  Open-source on-premises PKI teams

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Side by side

Feature	DigiCert Private CA 9.2/10 Visit ↗	XXiPKI 8.9/10 Visit ↗
At a glance
Editor score	9.2	8.9
Ranking	#2 in Public Key Infrastructure Software	#5 in Public Key Infrastructure Software
Best for	Enterprise hybrid and air-gapped PKI	Open-source on-premises PKI teams
Pricing model	Paid	Free
Starting price	Pricing on request	Open source
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Deployment	Cloud, Self-hosted	Self-hosted
Platforms	Web, Linux	Linux, macOS
Support	Docs	Tickets
Integrations	5 integrations	9 integrations
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features DigiCert Private CA 5/5 · XiPKI 5/5
ACME support	✓	✓
SCEP support	✓	✓
EST support	✓	✓
HSM integration	✓	✓
Certificate profiles	✓	✓
Specs
Deployment model	Hybrid	On_premises
Our review
Pros	Supports ACME, SCEP, and EST certificate enrollment automation Integrates FIPS 140-2 Level 3 HSMs and existing PKI infrastructure Deploys in cloud, on premises, hybrid, or air-gapped environments	Supports ACME, EST, SCEP, CMP, and REST enrollment Integrates with multiple HSM products through PKCS#11 Combines CA, RA, OCSP, profiles, clustering, and post-quantum support
Cons	Subscription pricing requires contact with a DigiCert account representative Its broad CA and lifecycle configuration may exceed smaller PKI needs It is proprietary rather than open source	Requires on-premises deployment and infrastructure management Runs on Linux or macOS with Java 11 or later Its breadth may exceed the needs of teams seeking a hosted PKI service
Our verdict	DigiCert Private CA is a private certificate authority service for organizations securing internal users, devices, applications, servers, and digital assets. It supports private PKI across DigiCert-hosted cloud environments and… Read the review →	XiPKI is open-source public key infrastructure software for teams operating certificate infrastructure on premises. It provides certification authority and registration authority services, an OCSP responder, management components, and… Read the review →

Strengths and trade-offs

• DigiCert Private CA — where it wins

  • Supports ACME, SCEP, and EST certificate enrollment automation
  • Integrates FIPS 140-2 Level 3 HSMs and existing PKI infrastructure
  • Deploys in cloud, on premises, hybrid, or air-gapped environments

  Where it doesn't

  • Subscription pricing requires contact with a DigiCert account representative
  • Its broad CA and lifecycle configuration may exceed smaller PKI needs
  • It is proprietary rather than open source

• XiPKI — where it wins

  • Supports ACME, EST, SCEP, CMP, and REST enrollment
  • Integrates with multiple HSM products through PKCS#11
  • Combines CA, RA, OCSP, profiles, clustering, and post-quantum support

  Where it doesn't

  • Requires on-premises deployment and infrastructure management
  • Runs on Linux or macOS with Java 11 or later
  • Its breadth may exceed the needs of teams seeking a hosted PKI service

• DigiCert Private CA9.2/10 · Pricing on request

  A flexible private CA for enterprises managing certificates across hybrid and air-gapped environments.

  Visit DigiCertFull verdict →
• XXiPKI8.9/10 · Open source

  A technically broad, on-premises PKI platform for teams managing their own certificate infrastructure.

  Visit XiPKIFull verdict →