Certificates Open Source Projects

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

An HTTP toolkit for security research.

Disk encryption with strong security based on TrueCrypt

A curated list of Awesome Threat Intelligence resources

Let's Encrypt/ACME client and library written in Go

🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.

Headless CMS with automatic JSON API. Featuring auto-HTTPS from Let's Encrypt, HTTP/2 Server Push, and flexible server framework written in Go.

Automate SSL/TLS certificates on Windows with ease

Async-friendly QUIC implementation in Rust

A modern reverse proxy for node

🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.

Updog is a replacement for Python's SimpleHTTPServer. It allows uploading and downloading via HTTP/S, can set ad hoc SSL certificates and use http basic auth.

minica is a small, simple CA intended for use in situations where the CA operator also operates each host where a certificate will be used.

:lock: Memorable site for testing clients against bad SSL configs.

strongSwan - IPsec-based VPN

A web terminal based on websocket and tornado

A SIP003 plugin based on v2ray

sslscan tests SSL/TLS enabled services to discover supported cipher suites

Tools to bootstrap CAs, certificate requests, and signed certificates.

Stealing Signatures and Making One Invalid Signature at a Time

OPC Unified Architecture .NET Standard

ONLYOFFICE Document Server is an online office suite comprising viewers and editors for texts, spreadsheets and presentations, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

:iphone: Home Assistant for Apple platforms

obtain free SSL certificates from letsencrypt ACME server Suitable for automating the process on remote servers.

A simple TLS proxy with mutual authentication for securing non-TLS services.

DEPRECATED: Automatically request certificates for Kubernetes Ingress resources from Let's Encrypt

KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner.

X Certificate and Key management

Transparent SSL/TLS interception

Resources to help you get GitHub certified ✨

a collection of scripts for MikroTik RouterOS

Repository for the Lemur Certificate Manager

:closed_lock_with_key: multi factor authentication system (2FA, MFA, OTP, FIDO Server)

Professional ACME Client for Windows (and now cross-platform via Certify Management Hub). Certificate Management UI, powered by Let's Encrypt and compatible with all ACME v2 CAs. Used by over 150,000 organisations. Download from certifytheweb.com

Free, automatic HTTPS certificate generation for ASP.NET Core web apps

Configuration guidance for implementing the Windows 10 and Windows Server 2016 DoD Secure Host Baseline settings. #nsacyber

The Scalable TLS Unwrapping Daemon

Docker Certified Associate Exam Preparation Guide

Use Zwift offline

Simple Golang HTTPS/TLS Examples

Local HTTPS development made easy

CLI tool for open source and threat intelligence

:warning: UNMAINTAINED - Simple and full-featured mail server using Docker

Mirror of FreeIPA, an integrated security information management solution

The easiest way to generate custom Apple Wallet passes in Node.js

Docker image to run TP-Link Omada Controller

An ACME client library and PowerShell client for the .NET platform (Let's Encrypt)

Automatically create and renew website certificates for free using the Let's Encrypt certificate authority.

🔐 Free, automated HTTPS for NodeJS made easy.

Lightweight Certificate Transparency Log Monitor

Auditing for TLS certificates (Go code)

Automated ACME SSL/TLS certificates issuer for Azure Key Vault (App Gateway / Front Door / CDN / others)

Automatic Let's Encrypt TLS Certificate installation for dokku

Manage Lets Encrypt certificates for a Kubernetes cluster.

Package manager for the Erlang ecosystem.

A utility to examine and validate certificates in a variety of formats

libreswan

(Python Distribution) A carefully curated collection of Root Certificates for validating the trustworthiness of SSL certificates while verifying the identity of TLS hosts.