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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 Free7.1
    DigiCert Private CA vs OpenCA PKI
  2. 2
    step-ca Free plan apiLinuxMacself-hostedWin Free7.1
    DigiCert Private CA vs step-ca
  3. 3
    OpenXPKI Free plan apiLinuxself-hostedWeb Free6.9
    DigiCert Private CA vs OpenXPKI
  4. 4
    SecureW2 Cloud NAC AndroidapiiOSLinuxMac 6.9
    DigiCert Private CA vs SecureW2 Cloud NAC
  5. 5
    XiPKI Free plan apiLinuxMacself-hosted Free6.9
    DigiCert Private CA vs XiPKI
  6. 6
    EZCA Free trial AndroidapiiOSLinuxMac $200/mo6.8
    DigiCert Private CA vs EZCA
  7. 7
    Boulder Free plan apiLinuxself-hosted Free6.7
    DigiCert Private CA vs Boulder
  8. 8
    cert-manager Free plan apiLinuxself-hosted Free6.7
    DigiCert Private CA vs cert-manager
  9. 9
    Entrust Certificate Manager AndroidapiiOSLinuxself-hosted 6.7
    DigiCert Private CA vs Entrust Certificate Manager
  10. 10
    KeyTalk CKMS Free trial AndroidiOSLinuxMacself-hosted €5/mo6.7
    DigiCert Private CA vs KeyTalk CKMS
  11. 11
    HashiCorp Nomad apiLinuxMacself-hostedWeb 6.6
    DigiCert Private CA vs HashiCorp Nomad
  12. 12
    Cloudflare Serverless Registry LinuxMacself-hostedWin 6.5
    DigiCert Private CA vs Cloudflare Serverless Registry
  13. 13
    Keyfactor Platform Free trial apiself-hostedWeb 6.4
    DigiCert Private CA vs Keyfactor Platform
  14. 14
    SSL.com Certificate Lifecycle Management apiWeb 6.4
    DigiCert Private CA vs SSL.com Certificate Lifecycle Management
  15. 16
    GlobalSign Atlas apiWeb 6.3
    DigiCert Private CA vs GlobalSign Atlas
  16. 17
    Sectigo Certificate Manager Free trial apiWeb $20.83/mo6.2
    DigiCert Private CA vs Sectigo Certificate Manager
  17. 18
    AWS Private Certificate Authority Free trial apiWeb $50/mo6.1
    DigiCert Private CA vs AWS Private Certificate Authority
  18. 19
    AppViewX PKIaaS Free trial apiself-hostedWeb 6.0
    DigiCert Private CA vs AppViewX PKIaaS
  19. 20
    Smallstep ZTNA iOSLinuxMacWin 5.8
    DigiCert Private CA vs Smallstep ZTNA
  20. 21
    Microsoft Active Directory Win $33.58/mo5.7
    DigiCert Private CA vs Microsoft Active Directory

DigiCert Private CA alternatives compared

#AppScoreFree planFromRuns on
1OpenCA PKI7.1Free planFreeLinux, Mac, self-hosted, Web
2step-ca7.1Free planFreeAPI, Linux, Mac, self-hosted, Windows
3OpenXPKI6.9Free planFreeAPI, Linux, self-hosted, Web
4SecureW2 Cloud NAC6.9No—Android, API, iOS, Linux, Mac, Web, Windows
5XiPKI6.9Free planFreeAPI, Linux, Mac, self-hosted
6EZCA6.8No$200/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
7Boulder6.7Free planFreeAPI, Linux, self-hosted
8cert-manager6.7Free planFreeAPI, Linux, self-hosted
9Entrust Certificate Manager6.7No—Android, API, iOS, Linux, self-hosted, Web
10KeyTalk CKMS6.7No€5/moAndroid, iOS, Linux, Mac, self-hosted, Windows
11HashiCorp Nomad6.6No—API, Linux, Mac, self-hosted, Web, Windows
12Cloudflare Serverless Registry6.5No—Linux, Mac, self-hosted, Windows
13Keyfactor Platform6.4No—API, self-hosted, Web
14SSL.com Certificate Lifecycle Management6.4No—API, Web
16GlobalSign Atlas6.3No—API, Web
17Sectigo Certificate Manager6.2No$20.83/moAPI, Web
18AWS Private Certificate Authority6.1No$50/moAPI, Web
19AppViewX PKIaaS6.0No—API, self-hosted, Web
20Smallstep ZTNA5.8No—iOS, Linux, Mac, Windows
21Microsoft Active Directory5.7No$33.58/moWindows
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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 7.1 out of 10. The others here: step-ca, OpenXPKI, SecureW2 Cloud NAC 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 on what each maker publishes: documentation depth, a free tier and the platforms it runs on.