793 Open source projects that are alternatives of or similar to nc

💻 Netcat client and server modules written in pure Javascript for Node.js.

GNB is open source de-centralized VPN 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VPN。

QSAK (Qt Swiss Army Knife) is a multi-functional, cross-platform debugging tool based on Qt.

PJON (Padded Jittering Operative Network) is an experimental, arduino-compatible, multi-master, multi-media network protocol.

ctsTraffic is a highly scalable client/server networking tool giving detailed performance and reliability analytics

A powerful capture and injection tool for the Android platform

The Hoa\Socket library.

Android,安卓版frpc，一个快速反向代理，可帮助您将NAT或防火墙后面的本地服务器暴露给Internet。

dperf is a DPDK based 100Gbps network performance and load testing software.

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

gnb_udp_over_tcp 是一个为GNB开发的通过tcp链路中转UDP分组转发的服务

High-Performance Erlang Network Client Framework

Information repository and Solutions on IIT KGP Internet Problems.

golang模拟内核协议栈 实现链路层、网络层、传输层、应用层 用户态协议栈 ,基于虚拟网卡TUN/TAP

A guide to writing a DNS Server from scratch in Rust

Reverse tunnel TCP and UDP

Implementation of the Discord Voice API for discord.js and other JS/TS libraries

This is a based plug-in framework that provides cross-platform IO and logically separated plug-in services.

Socket and Networking Library using msgpack.org[C++11]

纯C的分布式服务器框架通用模板，跨平台，模块动态加载，tcp/可靠UDP，协程RPC，日志，集群建立

冰塔协议-传输层协议

Embedded Web Server

📡 Overload DoS Tool (Layer 7)

TouchSocket是.Net(包括 C# 、VB.Net、F#)的一个整合性的、超轻量级的网络通信框架。包含了 tcp、udp、ssl、http、websocket、rpc、jsonrpc、webapi、xmlrpc等一系列的通信模块。一键式解决 TCP 黏分包问题，udp大数据包分片组合问题等。使用协议模板，可快速实现「固定包头」、「固定长度」、「区间字符」等一系列的数据报文解析。

Let's be scanned. A low-interaction honeypot focused on network scanners and bots. It integrates very well with IVRE to build a self-hosted alternative to GreyNoise.

Industrial protocol drivers in node.js

The socket manager

Logback appender for sending GELF messages with zero additional dependencies.

exomia/network is a wrapper library around System.Socket for easy and fast TCP/UDP client & server communication.

nginx module for upstream servers health check. support stream and http upstream. 该模块可以为Nginx提供主动式后端服务器健康检查的功能（同时支持四层和七层后端服务器的健康检测）

UDP and TCP NAT hole punching examples in python

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

Hazel Networking is a low level networking library for C# providing connection orientated, message based communication via TCP, UDP and RUDP.

gap-proxy 是一个加速网络的 SOCKS5 安全代理工具。

Header only c++ network library, based on asio,support tcp,udp,http,websocket,rpc,ssl,icmp,serial_port.

#1 Open Source Unity Networking Library

Dazzle Async Socket

Free resources for a self-taught education in Computer Networking

📦 The fastest and simplest packet manipulation lib for Python

PHP HI-REL SOCKET TCP/UDP/ICMP/Serial .高可靠性PHP通信&控制框架SOCKET-TCP/UDP/ICMP/硬件Serial-RS232/RS422/RS485 AND MORE!

A backdoor that runs on Linux and Windows

Simple kernel module to inspect socket options

iOS and Android version of Packet Sender

A open source program for TCP analysis of PCAP files

A simple, lightweight socks5 transparent proxy for Linux. (IPv4/IPv6/TCP/UDP over TCP)

The best companion of kcptun

XAsyncSockets is an efficient Python/MicroPython library of managed asynchronous sockets.

This project aims to collect and analyze traffic information of Android.(采集手机发送和接收的报文简要信息,并且根据socket记录每个报文对应哪个手机app)

KingNetwork is an open source library to facilitate the creation and communication of clients and servers via TCP, UDP, WebSocket and RUDP sockets.

C# Network Library

A script written in perl for ddos ​​with automatic detection of open and vulnerable port that gives up to 1.5 gb packages / s

A support library for Ronin. Like activesupport, but for hacking!

👽 Program for remote control of windows computers via telegram bot. Written in C#

Easy protocol definitions in Rust

System Abstraction Component Kit

Use the Node `net` API in Chrome Apps

Simple thread-based asynchronous TCP & UDP Socket classes in C++.

A Simple & Strong Tool for TCP&UDP Debug

TCP/UDP debugging tool.

🌐 DNS Server and Client Implementation in Pure JavaScript with no dependencies.