Network Oriented Programming in C ( UNIX network Programming )

C based tuntap library for Linux

Reimplementation of TCP handshakes in C from the L2 data link layer

Small library without dependencies to open/create a tun device on Linux and macOS

A simple TUN/TAP to stdio proxy.

TUN/TAP dump

TCP implementation in C

Minimalistic tap-ucspi utility

A network stack in userspace

Linux TUN/TAP module for Lua

This is a fork of https://github.com/montag451/pytun with partial Darwin support.

Using tuntap to simulate router port, implement software router and related network functions with C.

A program to create network connections through serial ports using the TUN driver

ctunnel is a proxy and VPN software for tunneling TCP and UDP connections securely

Linux TUN/TAP wrapper for Python

GNB is open source de-centralized SDVN to achieve layer3 network via p2p with the ultimate capability of NAT Traversal.GNB是一个开源的去中心化的具有极致内网穿透能力的通过P2P进行三层网络交换的SDVN。

A hacker's userspace TCP/IP stack

An implementation of a small TCP/IP protocol stack for learning.