Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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ws
A simple, blazing-fast, thoroughly tested WebSocket client and server library for Node.js.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
Socket.IO
Bidirectional, low-latency, event-based realtime communication for Node.js and the browser.
websocket
A fast, RFC 6455-compliant WebSocket implementation for Go with full control over framing, compression, and concurrency.
@slack/web-api
Slack's official Node.js HTTP client for calling any of the 270+ Web API methods, with built-in queuing, retries, pagination, and rate-limit handling.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
tokio-tungstenite
Asynchronous, Tokio-native WebSocket streams built on tungstenite
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.
got
Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
Slack SDK for Python
The official Python SDK for building apps, bots, and integrations on the Slack Platform.
Socket.IO Redis Adapter
Scale Socket.IO across multiple server instances by broadcasting events through Redis
partysocket
A drop-in, auto-reconnecting WebSocket client with message buffering and React hooks
websocket-client
A low-level, dependency-free WebSocket client for Python supporting both synchronous and event-driven connections.
python-socketio
Python implementation of the Socket.IO realtime protocol for both servers and clients.
@vitejs/plugin-basic-ssl
A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.
superagent
A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.
ureq
A simple, safe, blocking HTTP client for Rust with minimal dependencies.
follow-redirects
A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.
@fastify/websocket
Adds first-class WebSocket route support to Fastify, dispatching every upgrade through Fastify's own hooks and router instead of bolting ws on beside it.