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A filled with self-loathing implementation of Basic Authentication, and Certificate Authentication to make me feel like a real security person, all for for ASP.NET Core

Certificate manager and GUI for OpenPGP and CMS cryptography

XiPKI: Compact open source PKI (CA, OCSP responder, certificate protocols ACME, CMP, EST, SCEP), with full support of PQC MLDSA (Dilithium) and MLKEM (Kyber).

Certificate Transparency log monitor

A pure Unix shell script ACME client for SSL / TLS certificate automation

An open source intelligence tool to crawl the graph of certificate Alternate Names

Open source platform for X.509 certificate based service authentication and fine grained access control in dynamic infrastructures. Athenz supports provisioning and configuration (centralized authorization) use cases as well as serving/runtime (decentralized authorization) use cases.

X.509 Certificate Linter focused on Web PKI standards and requirements.

The Dogtag Certificate System is an enterprise-class Certificate Authority (CA) which supports all aspects of certificate lifecycle management, including key archival, OCSP and smartcard management.

Continuously monitor and record the content of the major platforms' root certificate stores.

Up-to-date certificate store for Elixir. 🔐

localhost with public CA signed SSL certificate

An SSL certificate Prometheus exporter

All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.

A Prometheus exporter for X.509 certificates, built for Kubernetes first but equally happy as a standalone binary

A GlobalProtect VPN client for Linux, written in Rust, based on OpenConnect and Tauri, supports SSO with MFA, YubiKey, and client certificate authentication, etc.

EJBCA® – Open-source public key infrastructure (PKI) and certificate authority (CA) software.

🔐 A CLI tool to extract server certificates

Tool for Active Directory Certificate Services enumeration and abuse

A fast, parallel subdomain enumeration tool that queries 4 Certificate Transparency log sources simultaneously.

Basic https setup using an automatically generated self-signed certificate

Terraform module for serverless certificate authority on AWS

Clears app revoke and certificate validity databases on iOS, for sideloaders.

AllinSSL 是一个集证书申请、管理、部署和监控于一体的SSL证书全生命周期管理工具。AllinSSL is an all-in-one SSL certificate lifecycle management tool that integrates certificate application, management, deployment, and monitoring.

一个高颜值的监控工具，支持网站监控/接口监控/HTTPS证书监控等。CoolMonitor is a beautiful monitoring tool that supports website monitoring, API monitoring, HTTPS certificate monitoring, and more...

IDE to develop native code iOS apps on unjailbroken iOS it self just via a certificate and a kernel virtualization layer for those apps.

An NGINX module with the implementation of the automatic certificate management (ACMEv2) protocol

Self-hosted certificate authority with a web UI: ACME, SCEP, EST, OCSP, CRL, TSA, SSH CA, Windows autoenrollment, network discovery, post-quantum ML-DSA and a FIPS build.

Self-hosted platform that automates the entire TLS certificate lifecycle, from issuance through renewal to deployment, with zero human intervention. It works with any CA, deploys to any server, and keeps private keys on your infra where they belong. Free, source-available, covers the same lifecycle that enterprise platforms charge $100K+/year for.