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Best DigiCert Private CA Alternatives in 2026

Updated

20 apps from public key infrastructure software ranked against DigiCert Private CA on the same published basis.

  1. 1
    OpenCA PKI Free plan LinuxMacself-hostedWeb Free6.5
    DigiCert Private CA vs OpenCA PKI
  2. 2
    step-ca Free plan apiLinuxMacself-hostedWin Free6.5
    DigiCert Private CA vs step-ca
  3. 3
    OpenXPKI Free plan apiLinuxself-hostedWeb Free6.4
    DigiCert Private CA vs OpenXPKI
  4. 4
    XiPKI Free plan apiLinuxMacself-hosted Free6.4
    DigiCert Private CA vs XiPKI
  5. 5
    Boulder Free plan apiLinuxself-hosted Free6.3
    DigiCert Private CA vs Boulder
  6. 6
    cert-manager Free plan apiLinuxself-hosted Free6.3
    DigiCert Private CA vs cert-manager
  7. 7
    SecureW2 Cloud NAC AndroidapiiOSLinuxMac 5.8
    DigiCert Private CA vs SecureW2 Cloud NAC
  8. 8
    KeyTalk CKMS Free trial AndroidiOSLinuxMacself-hosted €5/mo5.7
    DigiCert Private CA vs KeyTalk CKMS
  9. 9
    Cloudflare Serverless Registry LinuxMacself-hostedWin 5.6
    DigiCert Private CA vs Cloudflare Serverless Registry
  10. 10
    Entrust Certificate Manager AndroidapiiOSLinuxself-hosted 5.6
    DigiCert Private CA vs Entrust Certificate Manager
  11. 11
    HashiCorp Nomad apiLinuxMacself-hostedWeb 5.6
    DigiCert Private CA vs HashiCorp Nomad
  12. 13
    Keyfactor Platform Free trial apiself-hostedWeb 5.5
    DigiCert Private CA vs Keyfactor Platform
  13. 14
    SSL.com Certificate Lifecycle Management apiWeb 5.5
    DigiCert Private CA vs SSL.com Certificate Lifecycle Management
  14. 15
    EZCA Free trial AndroidapiiOSLinuxMac $200/mo5.4
    DigiCert Private CA vs EZCA
  15. 16
    GlobalSign Atlas apiWeb 5.4
    DigiCert Private CA vs GlobalSign Atlas
  16. 17
    EJBCA Web 5.1
    DigiCert Private CA vs EJBCA
  17. 18
    Sectigo Certificate Manager Free trial apiWeb $20.83/mo5.1
    DigiCert Private CA vs Sectigo Certificate Manager
  18. 19
    AppViewX PKIaaS Free trial apiself-hostedWeb 5.0
    DigiCert Private CA vs AppViewX PKIaaS
  19. 20
    AWS Private Certificate Authority Free trial apiWeb $50/mo5.0
    DigiCert Private CA vs AWS Private Certificate Authority
  20. 21
    Dogtag Certificate System Linux 5.0
    DigiCert Private CA vs Dogtag Certificate System

DigiCert Private CA alternatives compared

#AppScoreFree planFromRuns on
1OpenCA PKI6.5Free planFreeLinux, Mac, self-hosted, Web
2step-ca6.5Free planFreeAPI, Linux, Mac, self-hosted, Windows
3OpenXPKI6.4Free planFreeAPI, Linux, self-hosted, Web
4XiPKI6.4Free planFreeAPI, Linux, Mac, self-hosted
5Boulder6.3Free planFreeAPI, Linux, self-hosted
6cert-manager6.3Free planFreeAPI, Linux, self-hosted
7SecureW2 Cloud NAC5.8No—Android, API, iOS, Linux, Mac, Web, Windows
8KeyTalk CKMS5.7No€5/moAndroid, iOS, Linux, Mac, self-hosted, Windows
9Cloudflare Serverless Registry5.6No—Linux, Mac, self-hosted, Windows
10Entrust Certificate Manager5.6No—Android, API, iOS, Linux, self-hosted, Web
11HashiCorp Nomad5.6No—API, Linux, Mac, self-hosted, Web, Windows
13Keyfactor Platform5.5No—API, self-hosted, Web
14SSL.com Certificate Lifecycle Management5.5No—API, Web
15EZCA5.4No$200/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
16GlobalSign Atlas5.4No—API, Web
17EJBCA5.1No—Web
18Sectigo Certificate Manager5.1No$20.83/moAPI, Web
19AppViewX PKIaaS5.0No—API, self-hosted, Web
20AWS Private Certificate Authority5.0No$50/moAPI, Web
21Dogtag Certificate System5.0No—Linux
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Questions about DigiCert Private CA alternatives

What is the best alternative to DigiCert Private CA?

OpenCA PKI, number 1 in public key infrastructure software with a score of 6.5 out of 10. The others here: step-ca, OpenXPKI, XiPKI and 16 more.

What is the best free alternative to DigiCert Private CA?

OpenCA PKI is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.