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A fancy self-hosted monitoring tool

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

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

A fancy, easy-to-use and reactive self-hosted docker compose.yaml stack-oriented manager

Share your terminal as a web application

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

Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.

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

Library for building WebSocket servers and clients in Python

Socket.IO integration for Flask applications.

Official Documentation for the Binance Spot APIs and Streams

Python Socket.IO server and client

Real-time transport layer for Java AI agents. Build once with @Agent — deliver over WebSocket, SSE, gRPC, and WebTransport/HTTP3. Talk MCP, A2A and AG-UI.

🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, built on SFU architecture.

Developer-first OpenSource API DevTool, Postman/Insomnia alternative.

WebSocket and WAMP in Python for Twisted and asyncio

Web-based music player for the cloud :cloud: :notes: Play music from YouTube, Dropbox, etc.

Realtime Voice AI with 100+ Models on Arduino ESP32 with Secure Websockets and Edge Functions for AI Toys, Companions, and Devices

Korea Investment & Securities Open API Github

A web client for WeeChat

An ergonomic Rust HTTP Client with TLS fingerprint

🔭 Powerful tool for testing WebHooks and more

Open-source native macOS HTTP debugging proxy — intercept HTTPS, inspect APIs, mock responses, debug WebSocket & GraphQL. Community-driven. For developers, by developers.

Ultra-fast websocket client and server for asyncio

OSL is a simple shared list web-application based on Node and VueJS. Typical uses include shopping lists of course, and any other small todo-list that needs to be used collaboratively.

SAMA - Simple but Advanced Messaging Alternative chat server, powered by uWebsockets.js

High-performance, multi-protocol mock server. HTTP, WebSocket, gRPC, MQTT, SSE, GraphQL, SOAP in one binary.

Public websocket API to get datas from financial markets

AI-powered CesiumJS 3D globe control 49 tools for camera, entities, layers, animation & spatial analysis via Model Context Protocol (MCP). Natural language to 3D GIS.

Real-time collaborative editing for Django admin with WebSockets