XiPKI vs AWS Private Certificate Authority

XXiPKI8.9Visit AWS Private Certificate Authority8.7Visit

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

vs

AWS Private Certificate Authority #7 in Public Key Infrastructure Software 8.7/10 30-day trial Free trial✓ 3 of 5 features Visit AWS Private CA

• XiPKI fits best

  Open-source on-premises PKI teams

• AWS Private Certificate Authority fits best

  AWS-centric managed private CA

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Side by side

Feature	XXiPKI 8.9/10 Visit ↗	AWS Private Certificate Authority 8.7/10 Visit ↗
At a glance
Editor score	8.9	8.7
Ranking	#5 in Public Key Infrastructure Software	#7 in Public Key Infrastructure Software
Best for	Open-source on-premises PKI teams	AWS-centric managed private CA
Pricing model	Free	Paid
Starting price	Open source	$0.06/unit/mo
Free plan	Not checked yet	—
Free trial	—	30 days
Deployment	Self-hosted	Cloud
Platforms	Linux, macOS	Web
Support	Tickets	Docs
Integrations	9 integrations	6 integrations
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features XiPKI 5/5 · AWS Private Certificate Authority 3/5
ACME support	✓ (best)	Not checked yet
SCEP support	✓	✓
EST support	✓ (best)	Not checked yet
HSM integration	✓	✓
Certificate profiles	✓	✓
Specs
Deployment model	On_premises	Cloud
Our review
Pros	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	Root and subordinate CAs with CRL and OCSP revocation HSM-backed CA keys and certificate templates Connectors for Kubernetes, Active Directory, and SCEP
Cons	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	No free plan Usage charges make total costs more complex Best fit depends on the AWS ecosystem
Our verdict	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 →	AWS Private Certificate Authority is a hosted cloud service for creating root and subordinate private certificate authorities and issuing private X.509 certificates. It is designed for organizations managing certificates for internal… Read the review →

Strengths and trade-offs

• 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

• AWS Private Certificate Authority — where it wins

  • Root and subordinate CAs with CRL and OCSP revocation
  • HSM-backed CA keys and certificate templates
  • Connectors for Kubernetes, Active Directory, and SCEP

  Where it doesn't

  • No free plan
  • Usage charges make total costs more complex
  • Best fit depends on the AWS ecosystem

• XXiPKI8.9/10 · Open source

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

  Visit XiPKIFull verdict →
• AWS Private Certificate Authority8.7/10 · 30-day trial

  A broad AWS-managed PKI service with clear CA pricing and usage-based certificate costs.

  Visit AWS Private CAFull verdict →