ssl

mitmproxy

+312

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

openssl

+91

General purpose TLS and crypto library

oauth2-proxy

+51

A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.

acme.sh

+30

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

mbedtls

+21

An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.

rustls/rustls

+19

A modern TLS library in Rust

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。

certd/certd

+16

开源SSL证书管理工具；全自动证书申请、更新、续期；通配符证书，泛域名证书申请；证书自动化部署到阿里云、腾讯云、主机、群晖、宝塔；https证书，pfx证书，der证书，TLS证书，nginx证书自动续签自动部署

proxelar

+13

Scriptable local traffic workbench for inspecting, intercepting, replaying, and rewriting HTTP/HTTPS and WebSocket traffic.