Best step-ca Alternatives in 2026

20 tools from public key infrastructure software ranked against step-ca on the same published basis.

  1. 1step-ca vs EZCA
  2. 2step-ca vs KeyTalk CKMS
  3. 3step-ca vs SecureW2 Cloud NAC
  4. 5step-ca vs OpenCA PKI
  5. 6step-ca vs XiPKI
  6. 7step-ca vs Entrust Certificate Manager
  7. 8step-ca vs HashiCorp Nomad
  8. 9step-ca vs Keyfactor Platform
  9. 10step-ca vs Sectigo Certificate Manager
  10. 11step-ca vs AWS Private Certificate Authority
  11. 12step-ca vs Boulder
  12. 13step-ca vs Cloudflare Serverless Registry
  13. 14step-ca vs AppViewX PKIaaS
  14. 15step-ca vs SSL.com Certificate Lifecycle Management
  15. 16step-ca vs DigiCert Private CA
  16. 17step-ca vs Smallstep ZTNA
  17. 18step-ca vs GlobalSign Atlas
  18. 19step-ca vs Microsoft Active Directory
  19. 20step-ca vs Microsoft Cloud PKI
  20. 21step-ca vs OpenXPKI

step-ca alternatives compared

#ToolScoreFree planFromRuns on
1EZCA7.7No$200/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
2KeyTalk CKMS7.4No€5/moAndroid, iOS, Linux, Mac, self-hosted, Windows
3SecureW2 Cloud NAC7.4No—Android, API, iOS, Linux, Mac, Web, Windows
5OpenCA PKI7.2Free planFreeLinux, Mac, self-hosted, Web
6XiPKI7.1Free planFreeAPI, Linux, Mac, self-hosted
7Entrust Certificate Manager7.0No—Android, API, iOS, Linux, self-hosted, Web
8HashiCorp Nomad7.0No—API, Linux, Mac, self-hosted, Web, Windows
9Keyfactor Platform7.0No—API, self-hosted, Web
10Sectigo Certificate Manager6.9No$20.83/moAPI, Web
11AWS Private Certificate Authority6.8No$50/moAPI, Web
12Boulder6.8Free planFreeAPI, Linux, self-hosted
13Cloudflare Serverless Registry6.8No—Linux, Mac, self-hosted, Windows
14AppViewX PKIaaS6.7No—API, self-hosted, Web
15SSL.com Certificate Lifecycle Management6.7No—API, Web
16DigiCert Private CA6.6No—API, Linux, self-hosted, Web
17Smallstep ZTNA6.1No—iOS, Linux, Mac, Windows
18GlobalSign Atlas6.0No—Web
19Microsoft Active Directory5.9No$33.58/moWindows
20Microsoft Cloud PKI5.9No$2/moAndroid, iOS, Mac, Windows
21OpenXPKI5.6No—Web, Linux
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Questions about step-ca alternatives

What is the best alternative to step-ca?

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

What is the best free alternative to step-ca?

OpenCA PKI is the best-ranked alternative with a free plan. 3 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.