A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.

一款轻量级、高性能、功能强大的内网穿透代理服务器。支持tcp、udp、socks5、http等几乎所有流量转发，可用来访问内网网站、本地支付接口调试、ssh访问、远程桌面，内网dns解析、内网socks5代理等等……，并带有功能强大的web管理端。a lightweight, high-performance, powerful intranet penetration proxy server, with a powerful web management terminal.

A Stable & Secure Tunnel based on KCP with N:M multiplexing and FEC. Available for ARM, MIPS, 386 and AMD64

Cloud Native Tunnel for APIs

GO Simple Tunnel - a simple tunnel written in golang

A fast TCP tunnel over HTTP

lanproxy是一个将局域网个人电脑、服务器代理到公网的内网穿透工具，支持tcp流量转发，可支持任何tcp上层协议（访问内网网站、本地支付接口调试、ssh访问、远程桌面...）。目前市面上提供类似服务的有花生壳、TeamView、GoToMyCloud等等，但要使用第三方的公网服务器就必须为第三方付费，并且这些服务都有各种各样的限制，此外，由于数据包会流经第三方，因此对数据安全也是一大隐患。技术交流QQ群 1067424330

A Tunnel which Turns UDP Traffic into Encrypted UDP/FakeTCP/ICMP Traffic by using Raw Socket,helps you Bypass UDP FireWalls(or Unstable UDP Environment)

Official git repo for iodine dns tunnel

A Tunnel which Improves your Network Quality on a High-latency Lossy Link by using Forward Error Correction,for All Traffics(TCP/UDP/ICMP)

Transparently tunnel your IP traffic through ICMP echo and reply packets.

Command line tool to share your UNIX terminal and forward local TCP ports to people you trust.

Fast and secure tunnels over HTTP/2

📖 详细阐述代理、隧道、VPN运作过程，并对GFW策略如：地址端口封锁、服务器缓存投毒、数字验证攻击、SSL连接阻断做相关的原理说明

Expose your localhost to the web. Node wrapper for ngrok.

Go实现的Trojan代理，支持多路复用/路由功能/CDN中转/Shadowsocks混淆插件，多平台，无依赖。A Trojan proxy written in Go. An unidentifiable mechanism that helps you bypass GFW. https://p4gefau1t.github.io/trojan-go/

CLI application to create ssh tunnels focused on resiliency and user experience.

HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.

Tunneling Internet traffic over Facebook chat.

A simple SSL/TLS proxy with mutual authentication for securing non-TLS services

流量转发加速工具 ping tunnel is a tool that advertises tcp/udp/socks5 traffic as icmp traffic for forwarding.

Mr.2 can help you expose local server to external network. Support both TCP/UDP, of course support HTTP. Zero-Configuration.

Simple, auditable & elegant VPN, built with TLS mutual authentication and TUN.

Venom - A Multi-hop Proxy for Penetration Testers

Expose your local web server to the internet with a public URL.

a reverse TCP tunnel let you access target behind NAT or firewall

SSH tunnels to remote server.

docker sidecar container to forward all traffic to the docker host