Open source pki projects
Every project in the registry tagged pki, ranked by real GitHub adoption.
Secure secret management for modern development teams
🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.
Tool for Active Directory Certificate Services enumeration and abuse
AutomatedLab is a provisioning solution and framework that lets you deploy complex labs on HyperV and Azure with simple PowerShell scripts. It supports all Wind
铜锁/Tongsuo is a Modern Cryptographic Primitives and Protocols Library
Lightweight Certificate Transparency Log Monitor
EJBCA® – Open-source public key infrastructure (PKI) and certificate authority (CA) software.
An RPKI Validator and RTR server written in Rust
The Dogtag Certificate System is an enterprise-class Certificate Authority (CA) which supports all aspects of certificate lifecycle management, including key ar
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Frequently asked questions
How many open source pki projects are there?
This registry tracks 9 projects tagged pki, with 50,009 GitHub stars between them. The most-adopted is Infisical at 30,219 stars.
Are these pki projects free to use?
Yes — 8 of the 9 carry an explicit open-source licence across 6 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which pki project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these pki projects still maintained?
7 of the 9 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.