Repository Index

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

• https
• tls
• certificates
• local-development

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

• acme
• acme-protocol
• certbot
• shell

General purpose TLS and crypto library

• cryptography
• openssl
• encryption
• tls

Automatically provision and manage TLS certificates in Kubernetes

• kubernetes
• letsencrypt
• tls
• certificate

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

• letsencrypt
• acme
• certificate
• tls

A modern TLS library in Rust

• tls
• cryptography
• rust
• ssl

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.

• tls
• ssl
• crypto
• cryptography-library

Automate SSL/TLS certificates on Windows with ease

• acme
• certificates
• windows
• iis

Automatic HTTPS for any Go program: fully-managed TLS certificate issuance and renewal

• https
• acme
• letsencrypt
• golang

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

• crypto
• cryptography
• x509
• message-digest

An implementation of the TLS/SSL protocols

• tls
• ssl
• s2n
• encryption

The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.

• ssl
• tls
• cryptography
• security

:lock: acmetool, an automatic certificate acquisition tool for ACME (Let's Encrypt)

• acmetool
• certificate
• acme-server
• acme

Feature-rich single-binary file server for red teamers and developers. HTTP/S · WebDAV · FTP/SFTP · SMB · LDAP/S · NTLM hash capture · DNS/SMTP callbacks · TLS · Auth · Share links. A powerful python3 -m http.server replacement.

• golang
• http-server
• https-server
• ctf

pure-python ECDSA signature/verification and ECDH key agreement

• python
• elliptic-curves
• cryptography
• digital-signatures

🔐 A CLI tool to extract server certificates

• certificate
• ssl
• x509
• tls

Single C file TLS 1.2/1.3 implementation, using tomcrypt as crypto library

• tls

🔐 An SSL library for configuring http client or server. Rich with features such as hot reloading ssl and trusting additional certificates during runtime, combining multiple keystores, loading pem files and os/jdk certificates, logging certificate information during ssl handshake, bypassing ssl configuration from other libraries and more

• tls
• ssl
• certificate
• keystore

TLS in pure OCaml

• tls
• ocaml
• mirageos
• security

PETEP (PEnetration TEsting Proxy) is an open-source Java application for traffic analysis & modification using TCP/UDP proxies. PETEP is a useful tool for performing penetration tests of applications with various application protocols. ⚡

• proxy
• tcp
• tcp-proxy
• penetration-testing

Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.

• anti-bot
• behavioral-analysis
• bot-detection
• captcha

A Java library that implements a ByteChannel interface over SSLEngine, enabling easy-to-use (socket-like) TLS for Java applications.

• java
• ssl
• tls
• networking

Sockets with pure VB6 impl of TLS encryption

• vb6
• ssl
• tls
• winsock

Utility that exposes the expiry of TLS certificates as Prometheus metrics