Head-to-head · Public Key Infrastructure Software
XiPKI vs OpenXPKI
XiPKI leads on 0 checks, OpenXPKI on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreXiPKI · 8.9/10
- Free planonly OpenXPKI
- Most featuresXiPKI · 5 of 5
XiPKI scores higher on our rubric for public key infrastructure software: 8.9 against 8.8 out of 10; our editors rank them #5 and #6.
XiPKI is the better fit for open-source on-premises PKI teams. OpenXPKI is the better fit for open-source PKI with external CA support.
- XiPKI fits best
Open-source on-premises PKI teams
- OpenXPKI fits best
Open-source PKI with external CA support
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Side by side
| Feature | XiPKI 8.9/10 Visit ↗ | OpenXPKI 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.9 | 8.8 |
| Ranking | #5 in Public Key Infrastructure Software | #6 in Public Key Infrastructure Software |
| Best for | Open-source on-premises PKI teams | Open-source PKI with external CA support |
| Pricing model | Free | Free |
| Starting price | Open source | Free plan |
| Free plan | Not checked yet | ✓ (best) |
| Free trial | — | — |
| Deployment | Self-hosted | Cloud, Self-hosted |
| Platforms | Linux, macOS | Web, Linux |
| Support | Tickets | Community, Docs |
| Integrations | 9 integrations | 12 integrations |
| Built for | Mid-market, Enterprise | Mid-market, Enterprise |
| Features XiPKI 5/5 · OpenXPKI 0/5 | ||
| ACME support | ✓ (best) | Not checked yet |
| SCEP support | ✓ (best) | Not checked yet |
| EST support | ✓ (best) | Not checked yet |
| HSM integration | ✓ (best) | Not checked yet |
| Certificate profiles | ✓ (best) | Not checked yet |
| Specs | ||
| Deployment model | On_premises | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| 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 → |
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 → |
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
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
- XiPKI8.9/10 · Open source
A technically broad, on-premises PKI platform for teams managing their own certificate infrastructure.
Visit XiPKIFull verdict → - OpenXPKI8.8/10 · Free plan
A broad open-source PKI platform for teams managing certificates, CAs, and enrollment workflows.
Visit OpenXPKIFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
Last updated · How we research and update