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:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing

JetLinks 基于Java,Spring Boot ,WebFlux,Netty,Vert.x,Reactor等开发, 是一个全响应式的企业级物联网平台。支持统一物模型管理,多种设备,多种厂家,统一管理。统一设备连接管理,多协议适配(TCP,MQTT,UDP,CoAP,HTTP等),屏蔽网络编程复杂性,灵活接入不同厂家不同协议等设备。实时数据处理,设备告警,消息通知,数据转发。地理位置,数据可视化等。能帮助你快速建立物联网相关业务系统。

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.

Network Doctor is a cross-platform network troubleshooting TUI that turns interface, DNS, TCP, TLS, HTTP, proxy, and path-MTU checks into one plain-English diagnosis.

High-performance tun2socks engine in Zig with TCP, UDP, ICMP, SOCKS5, io_uring, and C API.

ESP-Modbus - the officially suppported library for Modbus protocol (serial RS485 + TCP over WiFi or Ethernet).

Websockify is a WebSocket to TCP proxy/bridge. This allows a browser to connect to any application/server/service.

SuperSocket is a high-performance, extensible socket server application framework for .NET. It provides a robust architecture for building custom network communication applications with support for multiple protocols including TCP, UDP, and WebSocket.

Embedded web server, with TCP/IP network stack, MQTT and Websocket

iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool

Open Source API and AI Gateway supporting REST, GraphQL, TCP, gRPC and MCP (Model Context Protocol)

Modbus TCP, Modbus TCP Security, Modbus RTU on Serial, and Modbus RTU on TCP for Java 17+.

Development version of the Upstream MultiPath TCP Linux kernel 🐧

ioLibrary_Driver can be used for the application design of WIZnet TCP/IP chips as W5500, W5300, W5200, W5100, W5100S, W6100, W6300.

Network utility for sending / receiving TCP, UDP, SSL, HTTP

A fast TCP/UDP tunnel over HTTP

UNOFFICIAL - Simple UDP/TCP packet router for Mac and Windows, with optional OSC specific options

原创全平台IM通信层框架，轻量级、高度提炼，历经10年、久经考验。可能是市面上唯一同时支持UDP+TCP+WebSocket三种协议的同类开源框架，支持 iOS、Android、Java、H5、小程序、Uniapp、鸿蒙Next，服务端基于Netty。

Embed the power of Lua into NGINX TCP/UDP servers

TCP/HTTP/UDP/QUIC client/server with Reactor over Netty

a netty like asynchronous network I/O library based on tcp/udp/websocket; a bidirectional RPC framework based on JSON/Protobuf; a microservice framework based on zookeeper/etcd

SOCKS Protocol Version 5 Library in Go. Full TCP/UDP and IPv4/IPv6 support

a smol tcp/ip stack

a non-blocking I/O tcp network lib based on c++14/17

A socket server (include SSL) supports realtime application, realtime game, MMORPG, messaging, chat and streaming data with TCP, UDP and Websocket

F-Stack is an user space network development kit with high performance based on DPDK, FreeBSD TCP/IP stack and coroutine API.

🔥 Proxy is a high performance HTTP(S) proxies, SOCKS5 proxies,WEBSOCKET, TCP, UDP proxy server implemented by golang. Now, it supports chain-style proxies,nat forwarding in different lan,TCP/UDP port forwarding, SSH forwarding.Proxy是golang实现的高性能http,https,websocket,tcp,socks5代理服务器,支持内网穿透,链式代理,通讯加密,智能HTTP,SOCKS5代理,黑白名单,限速,限流量,限连接数,跨平台,KCP支持,认证API。

goben is a golang tool to measure TCP/UDP transport layer throughput between hosts.

SAEA.Socket is a high-performance IOCP framework TCP based on dotnet standard 2.0; Src contains its application test scenarios, such as websocket,rpc, redis driver, MVC WebAPI, lightweight message server, ultra large file transmission, etc. SAEA.Socket是一个高性能IOCP框架的 TCP，基于dotnet standard 2.0；Src中含有其应用测试场景，例如websocket、rpc、redis驱动、MVC WebAPI、轻量级消息服务器、超大文件传输等

A flexible tool for redirecting a program's TCP, UDP, and DNS traffic to SOCKS5 or HTTP proxies.