#tls

Bouncy Castle Java Distribution (Mirror)

HTTP client that can impersonate web browsers

Thousand Island is a pure Elixir socket server

🔐 A modern & lightweight TLS library & CLI. Built for automation—HTTPS by default. Similar to mkcert.

🎭 Typescript HTTP client with native TLS, HTTP2, JA3, JA4 browser impersonation backed by wreq's Rust core

A WAF secure by default and simple by design.

BouncyCastle.NET Cryptography Library (Mirror)

Prebuilt CDK Terrain (cdktn) provider for tls.

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

Idiomatic Rust wrapper for MbedTLS

Intercepting HTTP/S proxy

SecURL - passive external security posture scanner. Free hosted scanner, open-source engine, CI integration

SunLit Security Libraries: Rust security crates for OWASP-aligned services

A shell script (that can be used as a Nagios/Icinga plugin) to check an SSL/TLS connection.

A Rust CLI and MCP server for X.509 certificate analysis, format conversion, and key verification. Reads certificates from PEM files or HTTPS endpoints. Validates TLS connections, checks revocation status, converts between PFX and PEM formats and integrates with AI-powered IDEs via the Model Context Protocol (MCP) and Vault.

JRuby's OpenSSL gem

Orbien v1: 一个内网穿透平台，支持 TCP/HTTP/HTTPS/UDP/SOCKS5 等多种协议，传输层支持 TCP、WebSocket、QUIC，支持TCP多路复用。同时提供证书自动申请与续期、抓包重放、压缩、mTLS 加密、访问控制、鉴权、限流、负载均衡、反向代理、健康检查等功能

Exports Prometheus metrics for TLS certificates

Lightweight Rust HTTP server library. Sync + async, HTTP/1.1 keep-alive, HTTP/2 (h2c), HTTP/3 ALPN. 180 k req/s on Linux/arm64.

Keep the people you love connected — a tiny self-hosted Telegram proxy that hides in plain HTTPS

Ultra-fast networking with Kernel TLS support for asyncio and Python

DPI-resistant VPN with 20+ bypass strategies, adaptive fallback, and monthly TSPU intelligence. Go server+client, Android app.

http requests utility

Standalone MQTT client wrapper around paho-mqtt with TLS, reconnection, subscription recovery, and topic pattern matching

An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Automatic directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP support, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#.

Anti-detection HTTP client for Python that handles TLS fingerprinting, WAF challenge solving, and cookie management.

最流行的物联网通信协议MQTT，包括客户端、服务端和Web管理平台

React Native TCP socket API for Android, iOS & macOS with SSL/TLS support.

GreenTunnel is an anti-censorship utility designed to bypass the DPI system that is put in place by various ISPs to block access to certain websites.

WatsonTcp is the easiest way to build TCP-based clients and servers in C#.