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Best Microsoft Cloud PKI Alternatives in 2026

Updated

20 platforms from certificate management software ranked against Microsoft Cloud PKI on the same published basis.

  1. 1
    Certify The Web Free plan apiLinuxMacself-hostedWeb $4.92/mo8.0
    Microsoft Cloud PKI vs Certify The Web
  2. 2
    Qualys External Attack Surface Management Free trial apiLinuxWeb 7.8
    Microsoft Cloud PKI vs Qualys External Attack Surface Management
  3. 3
    KeyTalk CKMS Free trial AndroidiOSLinuxMacself-hosted €5/mo7.3
    Microsoft Cloud PKI vs KeyTalk CKMS
  4. 4
    ManageEngine Key Manager Plus Free trial apiLinuxself-hostedWebWin $49.92/mo7.2
    Microsoft Cloud PKI vs ManageEngine Key Manager Plus
  5. 5
    Keyfactor Platform Free trial apiself-hostedWeb 7.1
    Microsoft Cloud PKI vs Keyfactor Platform
  6. 6
    Oracle Cloud Infrastructure Secret Management Free plan apiWeb Free7.1
    Microsoft Cloud PKI vs Oracle Cloud Infrastructure Secret Management
  7. 7
    Certbot Free plan LinuxMacself-hostedWin Free6.9
    Microsoft Cloud PKI vs Certbot
  8. 8
    Sectigo Certificate Manager Free trial apiWeb $20.83/mo6.8
    Microsoft Cloud PKI vs Sectigo Certificate Manager
  9. 9
    AWS Certificate Manager Free plan apiWeb Free6.7
    Microsoft Cloud PKI vs AWS Certificate Manager
  10. 10
    Entrust Certificate Manager AndroidapiiOSLinuxself-hosted 6.7
    Microsoft Cloud PKI vs Entrust Certificate Manager
  11. 11
    GlobalSign Atlas apiWeb 6.4
    Microsoft Cloud PKI vs GlobalSign Atlas
  12. 12
    SSL.com Certificate Lifecycle Management apiWeb 6.4
    Microsoft Cloud PKI vs SSL.com Certificate Lifecycle Management
  13. 13
    DigiCert Trust Lifecycle Manager apiLinuxWebWin $3.33/mo6.3
    Microsoft Cloud PKI vs DigiCert Trust Lifecycle Manager
  14. 14
    Google Cloud Certificate Manager apiWeb 6.3
    Microsoft Cloud PKI vs Google Cloud Certificate Manager
  15. 15
    Certynx apiself-hostedWeb 6.2
    Microsoft Cloud PKI vs Certynx
  16. 16
    acme.sh WinMacLinux 6.0
    Microsoft Cloud PKI vs acme.sh
  17. 17
    Smallstep ZTNA iOSLinuxMacWin 6.0
    Microsoft Cloud PKI vs Smallstep ZTNA
  18. 18
    DigiCert ONE Web 5.9
    Microsoft Cloud PKI vs DigiCert ONE
  19. 19
    GeoTrust WebWinLinux 5.9
    Microsoft Cloud PKI vs GeoTrust
  20. 21
    OpenXPKI WebLinux 5.9
    Microsoft Cloud PKI vs OpenXPKI

Microsoft Cloud PKI alternatives compared

#PlatformScoreFree planFromRuns on
1Certify The Web8.0Free plan$4.92/moAPI, Linux, Mac, self-hosted, Web, Windows
2Qualys External Attack Surface Management7.8No—API, Linux, Web
3KeyTalk CKMS7.3No€5/moAndroid, iOS, Linux, Mac, self-hosted, Windows
4ManageEngine Key Manager Plus7.2No$49.92/moAPI, Linux, self-hosted, Web, Windows
5Keyfactor Platform7.1No—API, self-hosted, Web
6Oracle Cloud Infrastructure Secret Management7.1Free planFreeAPI, Web
7Certbot6.9Free planFreeLinux, Mac, self-hosted, Windows
8Sectigo Certificate Manager6.8No$20.83/moAPI, Web
9AWS Certificate Manager6.7Free planFreeAPI, Web
10Entrust Certificate Manager6.7No—Android, API, iOS, Linux, self-hosted, Web
11GlobalSign Atlas6.4No—API, Web
12SSL.com Certificate Lifecycle Management6.4No—API, Web
13DigiCert Trust Lifecycle Manager6.3No$3.33/moAPI, Linux, Web, Windows
14Google Cloud Certificate Manager6.3No—API, Web
15Certynx6.2No—API, self-hosted, Web
16acme.sh6.0No—Windows, Mac, Linux
17Smallstep ZTNA6.0No—iOS, Linux, Mac, Windows
18DigiCert ONE5.9No—Web
19GeoTrust5.9No—Web, Windows, Linux
21OpenXPKI5.9No—Web, Linux
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Questions about Microsoft Cloud PKI alternatives

What is the best alternative to Microsoft Cloud PKI?

Certify The Web, number 1 in certificate management software with a score of 8.0 out of 10. The others here: Qualys External Attack Surface Management, KeyTalk CKMS, ManageEngine Key Manager Plus and 16 more.

What is the best free alternative to Microsoft Cloud PKI?

Certify The Web is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.