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Best AWS Private Certificate Authority Alternatives in 2026

Updated

20 tools from public key infrastructure software ranked against AWS Private Certificate Authority on the same published basis.

  1. 1
    EZCA Free trial AndroidapiiOSLinuxMac $200/mo7.7
    AWS Private Certificate Authority vs EZCA
  2. 2
    EJBCA Free plan apiLinuxself-hostedWeb Free7.4
    AWS Private Certificate Authority vs EJBCA
  3. 3
    KeyTalk CKMS Free trial AndroidiOSLinuxMacself-hosted €5/mo7.4
    AWS Private Certificate Authority vs KeyTalk CKMS
  4. 4
    SecureW2 Cloud NAC AndroidapiiOSLinuxMac 7.4
    AWS Private Certificate Authority vs SecureW2 Cloud NAC
  5. 5
    step-ca Free plan apiLinuxMacself-hostedWin Free7.3
    AWS Private Certificate Authority vs step-ca
  6. 6
    OpenCA PKI Free plan LinuxMacself-hostedWeb Free7.2
    AWS Private Certificate Authority vs OpenCA PKI
  7. 7
    OpenXPKI Free plan apiLinuxself-hostedWeb Free7.1
    AWS Private Certificate Authority vs OpenXPKI
  8. 8
    XiPKI Free plan apiLinuxMacself-hosted Free7.1
    AWS Private Certificate Authority vs XiPKI
  9. 9
    Entrust Certificate Manager AndroidapiiOSLinuxself-hosted 7.0
    AWS Private Certificate Authority vs Entrust Certificate Manager
  10. 10
    HashiCorp Nomad apiLinuxMacself-hostedWeb 7.0
    AWS Private Certificate Authority vs HashiCorp Nomad
  11. 11
    Keyfactor Platform Free trial apiself-hostedWeb 7.0
    AWS Private Certificate Authority vs Keyfactor Platform
  12. 12
    Let's Encrypt Free plan apiLinuxself-hostedWebWin Free7.0
    AWS Private Certificate Authority vs Let's Encrypt
  13. 13
    Sectigo Certificate Manager Free trial apiWeb $20.83/mo6.9
    AWS Private Certificate Authority vs Sectigo Certificate Manager
  14. 15
    Boulder Free plan apiLinuxself-hosted Free6.8
    AWS Private Certificate Authority vs Boulder
  15. 16
    Cloudflare Serverless Registry LinuxMacself-hostedWin 6.8
    AWS Private Certificate Authority vs Cloudflare Serverless Registry
  16. 17
    Smallstep ZTNA iOSLinuxMacself-hostedWin 6.8
    AWS Private Certificate Authority vs Smallstep ZTNA
  17. 18
    AppViewX PKIaaS Free trial apiself-hostedWeb 6.7
    AWS Private Certificate Authority vs AppViewX PKIaaS
  18. 19
    SSL.com Certificate Lifecycle Management apiWeb 6.7
    AWS Private Certificate Authority vs SSL.com Certificate Lifecycle Management
  19. 20
    cert-manager Free plan apiLinuxself-hosted Free6.6
    AWS Private Certificate Authority vs cert-manager
  20. 21
    DigiCert Private CA apiLinuxself-hostedWeb 6.6
    AWS Private Certificate Authority vs DigiCert Private CA

AWS Private Certificate Authority alternatives compared

#ToolScoreFree planFromRuns on
1EZCA7.7No$200/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
2EJBCA7.4Free planFreeAPI, Linux, self-hosted, Web
3KeyTalk CKMS7.4€5/moAndroid, iOS, Linux, Mac, self-hosted, Windows
4SecureW2 Cloud NAC7.4Android, API, iOS, Linux, Mac, Web, Windows
5step-ca7.3Free planFreeAPI, Linux, Mac, self-hosted, Windows
6OpenCA PKI7.2Free planFreeLinux, Mac, self-hosted, Web
7OpenXPKI7.1Free planFreeAPI, Linux, self-hosted, Web
8XiPKI7.1Free planFreeAPI, Linux, Mac, self-hosted
9Entrust Certificate Manager7.0Android, API, iOS, Linux, self-hosted, Web
10HashiCorp Nomad7.0API, Linux, Mac, self-hosted, Web, Windows
11Keyfactor Platform7.0API, self-hosted, Web
12Let's Encrypt7.0Free planFreeAPI, Linux, self-hosted, Web, Windows
13Sectigo Certificate Manager6.9No$20.83/moAPI, Web
15Boulder6.8Free planFreeAPI, Linux, self-hosted
16Cloudflare Serverless Registry6.8Linux, Mac, self-hosted, Windows
17Smallstep ZTNA6.8iOS, Linux, Mac, self-hosted, Windows
18AppViewX PKIaaS6.7API, self-hosted, Web
19SSL.com Certificate Lifecycle Management6.7API, Web
20cert-manager6.6Free planFreeAPI, Linux, self-hosted
21DigiCert Private CA6.6API, Linux, self-hosted, Web
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Questions about AWS Private Certificate Authority alternatives

What is the best alternative to AWS Private Certificate Authority?

EZCA, number 1 in public key infrastructure software with a score of 7.7 out of 10. The others here: EJBCA, KeyTalk CKMS, SecureW2 Cloud NAC and 16 more.

What is the best free alternative to AWS Private Certificate Authority?

EJBCA is the best-ranked alternative with a free plan. 8 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.