XiPKI vs EZCA

XXiPKI7.1Visit EZCA6.9Visit

Higher score X XiPKI #6 in Public Key Infrastructure Software 7.1/10 Open source ✓ 5 of 5 features Visit XiPKI

vs

EZCA #8 in Public Key Infrastructure Software 6.9/10 From $200/mo · 30-day trial ✓ 5 of 5 features Visit EZCA

• XiPKI fits best

  Open-source on-premises PKI teams

• EZCA fits best

  Azure-integrated managed PKI

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Side by side

Feature	XXiPKI 7.1/10 Visit ↗	EZCA 6.9/10 Visit ↗
At a glance
Editor score	7.1	6.9
Ranking	#6 in Public Key Infrastructure Software	#8 in Public Key Infrastructure Software
Best for	Open-source on-premises PKI teams	Azure-integrated managed PKI
Pricing model	Free	Paid
Starting price	Not published	$200/mo
Free plan	Not published	—
Free trial	—	—
Deployment	Self-hosted	Cloud, Self-hosted
Platforms	Linux, macOS	Web
Support	Tickets	Email, Live chat, Tickets, Docs, Phone · 24/7
Integrations	9 integrations	8 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features XiPKI 5/5 · EZCA 5/5
ACME support	✓	✓
SCEP support	✓	✓
EST support	✓	✓
HSM integration	✓	✓
Certificate profiles	✓	✓
Specs
Deployment model	On_premises	Hybrid
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	HSM-backed CAs with ACME, EST, SCEP, and API issuance Azure Key Vault rotation plus Intune and Azure IoT integrations Hybrid, private infrastructure, and self-hosted deployment options
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	The entry plan starts at $200 per CA per month Pricing scales by CA or location rather than one flat subscription Advanced isolation and self-hosting require higher-priced plans
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 →	EZCA is a managed cloud PKI platform from Keytos for organizations that need to create and operate private certificate authorities. It supports internal TLS, device authentication, IoT certificates, Azure workloads, and hybrid PKI… 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

• EZCA — where it wins

  • HSM-backed CAs with ACME, EST, SCEP, and API issuance
  • Azure Key Vault rotation plus Intune and Azure IoT integrations
  • Hybrid, private infrastructure, and self-hosted deployment options

  Where it doesn't

  • The entry plan starts at $200 per CA per month
  • Pricing scales by CA or location rather than one flat subscription
  • Advanced isolation and self-hosting require higher-priced plans

• XXiPKI7.1/10 · Open source

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

  Visit XiPKIFull verdict →
• EZCA6.9/10 · From $200/mo · 30-day trial

  A capable Azure-integrated PKI platform with clear paid tiers and no free plan.

  Visit EZCAFull verdict →