letsencrypt

traefik

+75

The Cloud Native Application Proxy

miniflux/v2

+42

Minimalist and opinionated feed reader

bunkerweb

+37

🛡️ Open-source and cloud-native Web Application Firewall (WAF)

go-acme/lego

+23

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

nginx-ui

+23

Yet another WebUI for Nginx

certimate

+20

An open-source and free self-hosted SSL certificates ACME tool, automates the full-cycle of issuance, deployment, renewal, and monitoring visually. 完全开源免费的自托管 SSL 证书 ACME 工具，申请、部署、续期、监控全流程自动化可视化，支持各大主流云厂商。

Mailu/Mailu

+17

Insular email distribution - mail server as Docker images

cert-manager

+10

Automatically provision and manage TLS certificates in Kubernetes

certbot

+9

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.