Top WEBSOCKET GitHub Repositories & Tools (2026)

High Performance reverse tunnel engine in Go, built for edge ⇄ origin server setups

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

A bridge for your systems

Locally runnable server with built-in data caching, providing both tick-level historical and consolidated real-time cryptocurrency market data via HTTP and WebSocket APIs

Lightweight embeddable web server written in pure C# with few dependencies to 3rd-party libraries.

The official JS client library for the Massive.com REST and WebSocket API.

A Swift NIO MQTT v3.1.1 and v5.0 Client

A secure, high-performance, multi-tenant platform for remote App ”Hosting“ and ”Computing“

C++23 client for Kalshi's Predictions API. Created from Kalshi's OpenAPI and AsyncAPI specs, it covers every REST operation and WebSocket channel. The WebSocket client reconnects and resubscribes. Optional transports add retries and rate limiting.

Open-source recreation of 2D top-down battle royale surviv.io.

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

proxy kit for Linux/Windows/MacOS/Android

Tetiva — desktop API client for HTTP, gRPC, GraphQL and WebSocket (Wails v3 + Vue 3)

Azure Web PubSub Service helps you to manage WebSocket connections and do publish and subscribe in an easy way

Protocol-agnostic CesiumJS AI control runtime for MCP, WebMCP, function calling, and browser agents.

Production-ready Codex-compatible account-pool gateway with seamless failover, full-session recovery, native quota headers, WebSocket/HTTP bridge, and observability.

Production-ready unofficial Binance REST and WebSocket SDK for Go

TypeScript/JavaScript client library for Convex

Modern and flexible SIP/VoIP cli tool

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