630 Open source projects that are alternatives of or similar to Lego

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC examples are included

Exports Prometheus metrics for SSL certificates

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.

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

Acquires and manages free SSL certificates for Azure Web App and Azure Functions applications.

Automated ACME SSL certificate generation for nginx-proxy

Let's Encrypt Website and Documentation

Crypt::LE - Let's Encrypt / Buypass / ACME client and library in Perl for obtaining free SSL certificates (inc. generating RSA/ECC keys and CSRs). HTTP/DNS verification is supported out of the box, easily extended with plugins, easily dockerized.

Django app providing a Certificate Authority

Tools for distributing ssl certificates

SSL Certificate Manager UI for Windows, powered by Let's Encrypt. Download from certifytheweb.com

Ghost blog with nginx proxy, lets encrypt ssl in a docker-compose (ready for production)

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

An effective ACME v2 client: Manage keys on the cloud (e.g. S3)

Async ACME library written in PHP based on the Amp concurrency framework.

C# layer for generation of wildcard Let's Encrypt SSL certificates

Support Let's Encrypt for a Go server application.

A TLS termination proxy as a MirageOS

Another PHP client for acme protocal (version 2) implementation, used for generating letsencrypt's free ssl certificates.

O-Saft - OWASP SSL advanced forensic tool

Automated docker nginx proxy integrated with letsencrypt.

Let's Encrypt(ACME) client. Python library & CLI app.

Create private keys and certificates with node.js

➿ Sorting utility for PEM files

A basic .NET Core website boilerplate using PostgreSQL for storage, Adminer for db management, Let's Encrypt for SSL certificates and NGINX for routing.

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

Keeps track of certificates as they are deployed in a network environment.

ACME (RFC 8555) client daemon

Go client library implementation for ACME v2 (RFC8555)

Cloudflare DNS for Let's Encrypt / ACME dns-01 challenges with Greenlock.js and ACME.js

Automated ACME SSL certificate generation for nginx-proxy

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

A command line tool and a library to generate TLS certificates for development purposes.

bruteforcing gmail (TLS/SSL)

get let's encrypt cert in five minutes

Push button, get TLS

Yet Another Django Project Template skeleton for Django projects

Let's Encrypt and ACMEv2 integration with Kong - this plugin has been moved into https://github.com/Kong/kong, please open issues and PRs in that repo

Automatic Let's Encrypt certificate serving and Lua implementation of ACMEv2 procotol

Tipi - the All-in-one Web Server for Ruby Apps

Easy-to-use auto-SSL reverse proxy as a Docker container based on Caddy and Let’s Encrypt

《深入浅出HTTPS：从原理到实战》代码示例、勘误、反馈、讨论

A private Certificate Authority for internal (lab) use, based on the open source ACME Automated Certificate Management Environment implementation from Let's Encrypt (tm).

Easy PEM file parsing in Python.

Stripped down letsencrypt (ACME) client

ACME Controller for OpenShift and Kubernetes Cluster. (Supports e.g. Let's Encrypt)

test SSL/TLS clients how secure they are

Ansible Role - Certbot (for Let's Encrypt)

Automated ACME issuer for Azure App Service (Web Apps / Functions / Containers)

The Illustrated TLS 1.3 Connection: Every byte explained

HTTP and WebSocket built on Boost.Asio in C++11

Let's Encrypt (ACME) support for Apache httpd

Java client for ACME (Let's Encrypt)

TLS Support for SwiftNIO, based on BoringSSL.

A graphical text editor

Configuration profiles for DNS HTTPS and DNS over TLS for iOS 14 and MacOS Big Sur

(NO LONGER MAINTAINED) | Bash script to generate and install Let's Encrypt certificate for your websites on your ServerPilot account (Free or Paid Plan)

This tutorial is someone planning to install a Kubernetes cluster and wants to understand how everything fits together.

XReSign - developer tool to sign or resign iOS app (.ipa) files with a digital certificate from Apple.

Firefly is an asynchronous web framework for rapid development of high-performance web application.