Best XiPKI Alternatives in 2026

Updated October 2026

20 apps from public key infrastructure software ranked against XiPKI on the same published basis.

1
OpenCA PKI Free plan LinuxMacself-hostedWeb Free7.1
XiPKI vs OpenCA PKI
2
step-ca Free plan apiLinuxMacself-hostedWin Free7.1
XiPKI vs step-ca
3
SecureW2 Cloud NAC AndroidapiiOSLinuxMac 6.9
XiPKI vs SecureW2 Cloud NAC
5
EZCA Free trial AndroidapiiOSLinuxMac $200/mo6.8
XiPKI vs EZCA
6
Boulder Free plan apiLinuxself-hosted Free6.7
XiPKI vs Boulder
7
Entrust Certificate Manager AndroidapiiOSLinuxself-hosted 6.7
XiPKI vs Entrust Certificate Manager
8
KeyTalk CKMS Free trial AndroidiOSLinuxMacself-hosted €5/mo6.7
XiPKI vs KeyTalk CKMS
9
HashiCorp Nomad apiLinuxMacself-hostedWeb 6.6
XiPKI vs HashiCorp Nomad
10
Cloudflare Serverless Registry LinuxMacself-hostedWin 6.5
XiPKI vs Cloudflare Serverless Registry
11
Keyfactor Platform Free trial apiself-hostedWeb 6.4
XiPKI vs Keyfactor Platform
12
SSL.com Certificate Lifecycle Management apiWeb 6.4
XiPKI vs SSL.com Certificate Lifecycle Management
13
DigiCert Private CA apiLinuxself-hostedWeb 6.3
XiPKI vs DigiCert Private CA
14
GlobalSign Atlas apiWeb 6.3
XiPKI vs GlobalSign Atlas
15
Sectigo Certificate Manager Free trial apiWeb $20.83/mo6.2
XiPKI vs Sectigo Certificate Manager
16
AWS Private Certificate Authority Free trial apiWeb $50/mo6.1
XiPKI vs AWS Private Certificate Authority
17
AppViewX PKIaaS Free trial apiself-hostedWeb 6.0
XiPKI vs AppViewX PKIaaS
18
Smallstep ZTNA iOSLinuxMacWin 5.8
XiPKI vs Smallstep ZTNA
19
Microsoft Active Directory Win $33.58/mo5.7
XiPKI vs Microsoft Active Directory
20
Microsoft Cloud PKI AndroidiOSMacWin $2/mo5.7
XiPKI vs Microsoft Cloud PKI
21
OpenXPKI WebLinux 5.5
XiPKI vs OpenXPKI

XiPKI alternatives compared

#	App	Score	Free plan	From	Runs on
1	OpenCA PKI	7.1	Free plan	Free	Linux, Mac, self-hosted, Web
2	step-ca	7.1	Free plan	Free	API, Linux, Mac, self-hosted, Windows
3	SecureW2 Cloud NAC	6.9	No	—	Android, API, iOS, Linux, Mac, Web, Windows
5	EZCA	6.8	No	$200/mo	Android, API, iOS, Linux, Mac, self-hosted, Web, Windows
6	Boulder	6.7	Free plan	Free	API, Linux, self-hosted
7	Entrust Certificate Manager	6.7	No	—	Android, API, iOS, Linux, self-hosted, Web
8	KeyTalk CKMS	6.7	No	€5/mo	Android, iOS, Linux, Mac, self-hosted, Windows
9	HashiCorp Nomad	6.6	No	—	API, Linux, Mac, self-hosted, Web, Windows
10	Cloudflare Serverless Registry	6.5	No	—	Linux, Mac, self-hosted, Windows
11	Keyfactor Platform	6.4	No	—	API, self-hosted, Web
12	SSL.com Certificate Lifecycle Management	6.4	No	—	API, Web
13	DigiCert Private CA	6.3	No	—	API, Linux, self-hosted, Web
14	GlobalSign Atlas	6.3	No	—	API, Web
15	Sectigo Certificate Manager	6.2	No	$20.83/mo	API, Web
16	AWS Private Certificate Authority	6.1	No	$50/mo	API, Web
17	AppViewX PKIaaS	6.0	No	—	API, self-hosted, Web
18	Smallstep ZTNA	5.8	No	—	iOS, Linux, Mac, Windows
19	Microsoft Active Directory	5.7	No	$33.58/mo	Windows
20	Microsoft Cloud PKI	5.7	No	$2/mo	Android, iOS, Mac, Windows
21	OpenXPKI	5.5	No	—	Web, Linux

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Questions about XiPKI alternatives

What is the best alternative to XiPKI?

OpenCA PKI, number 1 in public key infrastructure software with a score of 7.1 out of 10. The others here: step-ca, SecureW2 Cloud NAC, EZCA and 16 more.

What is the best free alternative to XiPKI?

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: documentation depth, a free tier and the platforms it runs on.