Best Open Source websocket Libraries

A curated list of the most popular GitHub repositories tagged with websocket. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1louislam/uptime-kuma

A fancy self-hosted monitoring tool

84,173JavaScript

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#2hoppscotch/hoppscotch

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

78,487TypeScript

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#3socketio/socket.io

Realtime application framework (Node.JS server)

62,962TypeScript

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#4mitmproxy/mitmproxy

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

42,691Python

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#5curl/curl

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features

41,184C

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#6labstack/echo

High performance, minimalist Go web framework

32,232Go

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#7kataras/iris

The fastest HTTP/2 Go Web Framework. New, modern and easy to learn. Fast development with Code you control. Unbeatable cost-performance ratio :rocket:

25,613Go

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#8yudai/gotty

Share your terminal as a web application

19,427Go

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#9swoole/swoole-src

🚀 Coroutine-based concurrency library for PHP

18,863C++

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#10mountain-loop/yaak

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬

18,143TypeScript

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#11ZLMediaKit/ZLMediaKit

WebRTC/RTSP/RTMP/HTTP/HLS/HTTP-FLV/WebSocket-FLV/HTTP-TS/HTTP-fMP4/WebSocket-TS/WebSocket-fMP4/GB28181/SRT/STUN/TURN server and client framework based on C++11

16,759C++

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#12wulabing/Xray_onekey

Xray 基于 Nginx 的 VLESS + XTLS 一键安装脚本

9,300Shell

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#13Laverna/laverna

Laverna is a JavaScript note taking application with Markdown editor and encryption support. Consider it like open source alternative to Evernote.

9,211JavaScript

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#14artilleryio/artillery

The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.

8,920JavaScript

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#15daltoniam/Starscream

Websockets in swift for iOS and OSX

8,641Swift

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#16boostorg/beast

HTTP and WebSocket built on Boost.Asio in C++11

4,769C++

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#17nextlevelbuilder/goclaw

GoClaw - GoClaw is OpenClaw rebuilt in Go — with multi-tenant isolation, 5-layer security, and native concurrency. Deploy AI agent teams at scale without compromising on safety.

2,943Go

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