Websocket GitHub Repositories (2026) · Open Source Tools

Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution

A framework to build Slack apps using JavaScript

Build reactive applications with the Rails tooling you already know and love.

Telegram Server written in C# (Unofficial) - messaging, channels, media, secret chats and voice/video calls.

Bandit is a pure Elixir HTTP server for Plug & WebSock applications

A lightweight high-performance tunneling tool (~5 MB binary) for exposing local services to the public internet. Supports multiple transport and application protocols, with a pure-Rust cross-platform desktop client and server web UI.

Flutter integration for Supabase. These packages makes it simple for developers to build secure and scalable products.

Lightweight VPS monitoring with agent + server + web dashboard. Rust + React monorepo.

🍒 Cherry — Go game server framework powered by Actor Model. Serial goroutine per actor, NATS/etcd discovery, pluggable connectors (TCP/WS/HTTP), protobuf & object-pooled messaging, time wheel, snowflake. Born for MMO/SLG/RPG, scales to millions.

Paozhu🧨 C++ Web Framework,(Based on C++20) Support HTTP/1 HTTP/2, Rapid development of CRUD web applications, Include modules HttpServer HttpClient WebSocket ORM

Build voice and text devices for your Hermes Agent, with ESP32 firmware, a Linux client, and a desktop simulator.

Slack Developer Kit (including Bolt for Java) for any JVM language

🔭 Powerful tool for testing WebHooks and more

NodejS Monorepo Template

A minimalist proxy tunnel for bypassing the GFW.

A Python SDK to use the Binance Websocket API`s (com+testnet, com-margin+testnet, com-isolated_margin+testnet, com-futures+testnet, com-coin_futures, com-vanilla-options+testnet, com-portfolio_margin, us, tr) in a simple, fast, flexible, robust and fully-featured way.

📽 View an RTSP stream in your web browser using an express.js server

A powerful desktop companion for Android & kmp (desktop, iOS) apps — inspect, debug, mock and control your app in real time. Supports OkHttp, GraphQl, WebSockets, GRPC, databases, analytics

Convenient access to tick-level real-time and historical cryptocurrency market data via Node.js

Infrastructure that connects LLMs to ERPNext. Frappe Assistant Core works with the Model Context Protocol (MCP) to expose ERPNext functionality to any compatible Language Model