Public Key Infrastructure Software
Alternatives to OpenCA PKI
The tools Specifiction weighs against OpenCA PKI, from its list of public key infrastructure software, each with its plans, platforms and spec score.
- 01
EJBCA EJBCA suits organizations managing internal PKIs or securing industrial, IoT, DevOps, or national eID environments.
From £5,172.08/mo Free plan Open source Web · Windows · macOS · Linux9.2 Visit Specs - 02
KeyTalk CKMS CKMS suits businesses managing digital certificates and keys, including managed service providers serving customers.
From €5/mo Free trial Web · Windows · macOS · Linux8.8 Visit Specs - 03 Let's Encrypt
Let’s Encrypt suits people and organizations worldwide that need certificates for domain-named web, mail, or FTP servers.
Free plan Open source Web · Windows · macOS · Linux8.6 Visit Specs - 04 EZCA
It suits organizations managing certificates across users, devices, applications, and IoT, especially those using Azure or existing PKI.
From $200/mo Free trial Web · Windows · macOS · Linux8.4 Visit Specs - 05
AWS Private Certificate Authority From $50/mo Free trial Web · API8.3 Visit Specs - 06 step-ca
step-ca suits DevOps teams that need a private CA for certificates used by VMs, containers, APIs, databases, Kubernetes pods or people.
Free plan Open source Windows · macOS · Linux · API8.2 Visit Specs - 07
AppViewX PKIaaS Free trial Web · API · Self-hosted8.1 Visit Specs - 08 Boulder
Boulder suits developers experimenting with ACME or working on systems aligned with Let’s Encrypt’s needs.
Free plan Linux · API · Self-hosted8.0 Visit Specs - 09
cert-manager cert-manager suits teams running Kubernetes or OpenShift workloads that need managed certificates for public-facing or internal services.
Free plan Linux · API · Self-hosted8.0 Visit Specs - 10 Dogtag Certificate System Free plan Linux · API · Self-hosted7.9 Visit Specs
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Keyfactor Platform It suits PKI, security, infrastructure, and DevOps teams that need certificate visibility, lifecycle controls, and automation across environments.
Free trial Web · API · Self-hosted7.9 Visit Specs - 12 Entrust Certificate Manager
It suits organizations that need to discover and manage certificates across varied environments and certificate authorities.
Web · Linux · iOS · Android7.7 Visit Specs - 13 OpenXPKI
It suits system administrators, IT operations staff, PKI operators, developers, and integration engineers managing professional PKI environments.
Free plan Web · Linux · API · Self-hosted7.6 Visit Specs - 14
DigiCert Private CA Web · Linux · API · Self-hosted7.4 Visit Specs - 15 XiPKI
XiPKI suits organizations needing self-hosted certificate authority, registration authority, and OCSP services, particularly in critical infrastructure.
Free plan macOS · Linux · API · Self-hosted7.3 Visit Specs - 16 Google Cloud Secret Manager From $0.01/mo Free plan Web7.0 Visit Specs
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Microsoft Cloud PKI From $2/mo Windows · macOS · iOS · Android6.5 Visit Specs - 18 Microsoft Active Directory From $33.58/mo Windows6.4 Visit Specs
- 19 HashiCorp Vault Windows · macOS · Linux6.2 Visit Specs
- 20 CFSSL Windows · macOS · Linux6.1 Visit Specs
- 21 GlobalSign Managed PKI Web5.8 Visit Specs
- 22 SecureW2 Managed PKI Web · Windows · macOS · Linux5.7 Visit Specs
- 23 Sectigo Private PKI Web5.4 Visit Specs
- 24 SSL.com Private Enterprise PKI Web5.3 Visit Specs
- 25 Smallstep Certificate Manager Web5.2 Visit Specs
OpenCA PKI, head to head
- OpenCA PKI vs EJBCA
- OpenCA PKI vs KeyTalk CKMS
- OpenCA PKI vs Let's Encrypt
- OpenCA PKI vs EZCA
- OpenCA PKI vs AWS Private Certificate Authority
- OpenCA PKI vs step-ca
- OpenCA PKI vs AppViewX PKIaaS
- OpenCA PKI vs Boulder
- OpenCA PKI vs cert-manager
- OpenCA PKI vs Dogtag Certificate System
- OpenCA PKI vs Keyfactor Platform
- OpenCA PKI vs Entrust Certificate Manager