OpenXPKI vs EZCA

OOpenXPKI6.9Visit EZCA6.9Visit

O OpenXPKI #7 in Public Key Infrastructure Software 6.9/10 Free plan Free plan✓ 0 of 5 features Visit OpenXPKI

vs

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

• OpenXPKI fits best

  Open-source PKI with external CA support

• EZCA fits best

  Azure-integrated managed PKI

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Side by side

Feature	OOpenXPKI 6.9/10 Visit ↗	EZCA 6.9/10 Visit ↗
At a glance
Editor score	6.9	6.9
Ranking	#7 in Public Key Infrastructure Software	#8 in Public Key Infrastructure Software
Best for	Open-source PKI with external CA support	Azure-integrated managed PKI
Pricing model	Free	Paid
Starting price	Not published	$200/mo
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web, Linux	Web
Support	Community, Docs	Email, Live chat, Tickets, Docs, Phone · 24/7
Compliance	GDPR, SSO/SAML	SOC 2, ISO 27001
Integrations	12 integrations	8 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features OpenXPKI 0/5 · EZCA 5/5
ACME support	Not published	✓ (best)
SCEP support	Not published	✓ (best)
EST support	Not published	✓ (best)
HSM integration	Not published	✓ (best)
Certificate profiles	Not published	✓ (best)
Specs
Deployment model	Not published	Hybrid
Our review
Pros	Automates certificate request, renewal, revocation, and enrollment workflows Supports multiple PKI realms, issuing CAs, rollover, and HSMs Connects with external CAs, identity systems, CMDB, and ITSM platforms	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	Enterprise Edition capabilities depend on commercially supported services Its broad PKI scope may exceed simpler certificate-management needs Administration centers on web, Linux, API, and self-hosted environments	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	OpenXPKI is open-source PKI and trustcenter software for managing X.509v3 certificates. It is aimed at organizations that need structured certificate lifecycle management, automated enrollment, certificate-status alerting, and control over… 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

• OpenXPKI — where it wins

  • Automates certificate request, renewal, revocation, and enrollment workflows
  • Supports multiple PKI realms, issuing CAs, rollover, and HSMs
  • Connects with external CAs, identity systems, CMDB, and ITSM platforms

  Where it doesn't

  • Enterprise Edition capabilities depend on commercially supported services
  • Its broad PKI scope may exceed simpler certificate-management needs
  • Administration centers on web, Linux, API, and self-hosted environments

• 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

• OOpenXPKI6.9/10 · Free plan

  A broad open-source PKI platform for teams managing certificates, CAs, and enrollment workflows.

  Visit OpenXPKIFull 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 →