Packages

WebSockets & Realtime Packages

Realtime communication libraries for WebSockets, pub/sub channels, and live data sync — the building blocks behind chat, presence, and collaborative UIs.

125 packages

Packages in WebSockets & Realtime

91Health
Tool PyPI

Uvicorn

A lightning-fast ASGI server for Python, built on uvloop and httptools.

10,993
BSD 3
Used by 83
95Health
Framework PyPI

aiohttp

Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.

16,561
Apache 2.0
Used by 40
51Health
Library Go

websocket

A fast, RFC 6455-compliant WebSocket implementation for Go with full control over framing, compression, and concurrency.

24,878
Other
Used by 39
90Health
Library PyPI

websockets

Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.

5,719
BSD 3
Used by 30
55Health
Library Cargo

tokio-tungstenite

Asynchronous, Tokio-native WebSocket streams built on tungstenite

2,509
MIT
Used by 25
96Health
SDK PyPI

Slack SDK for Python

The official Python SDK for building apps, bots, and integrations on the Slack Platform.

4,016
MIT
Used by 13
84Health
Library npm

graphql-ws

Zero-dependency server and client implementing the GraphQL over WebSocket Protocol

1,871
MIT
Used by 11
91Health
Framework Cargo

Actix Web

A powerful, pragmatic, and extremely fast web framework for Rust

24,846
Other
Used by 9
72Health
Library PyPI

websocket-client

A low-level, dependency-free WebSocket client for Python supporting both synchronous and event-driven connections.

3,707
Apache 2.0
Used by 9
82Health
Library PyPI

python-socketio

Python implementation of the Socket.IO realtime protocol for both servers and clients.

4,371
MIT
Used by 8
95Health
Framework npm

@rails/actioncable

The client-side JavaScript half of Action Cable, Rails' full-stack framework for building WebSocket-powered realtime features.

58,782
MIT
Used by 5
86Health
Framework PyPI

Tornado

Python web framework and asynchronous networking library built for high concurrency

22,179
Apache 2.0
Used by 5
75Health
Library npm

sockjs-client

Browser WebSocket emulation library that automatically falls back across streaming and polling transports for reliable realtime connections.

8,501
MIT
Used by 3
74Health
Library PyPI

python-engineio

Python implementation of the Engine.IO realtime transport protocol powering Socket.IO servers and clients.

258
MIT
Used by 3
80Health
SDK npm

Baileys

A TypeScript library that talks to WhatsApp Web directly over WebSockets, no browser or Selenium required.

11,146
MIT
Used by 2
69Health
Library PyPI

Flask-SocketIO

Socket.IO integration that brings real-time WebSocket communication to Flask applications

5,507
MIT
Used by 2
87Health
Library PyPI

pyzmq

Python bindings for ZeroMQ, the lightweight messaging library for building distributed, concurrent, and asynchronous applications.

4,175
BSD 3
Used by 2
90Health
Library PyPI

Autobahn|Python

WebSocket and WAMP protocol implementation for Python, running natively on both Twisted and asyncio.

2,541
MIT
Used by 2
40Health
Library npm

isomorphic-ws

A drop-in isomorphic WebSocket client that exposes one identical API in Node.js and browsers.

417
MIT
Used by 2
55Health
Library Composer

Ratchet

Build realtime, bi-directional WebSocket applications between clients and servers in PHP.

6,437
MIT
Used by 1
58Health
Library PyPI

aiortc

A pure-Python implementation of WebRTC and ORTC built on asyncio, for real-time audio, video, and data channel communication.

5,106
BSD 3
Used by 1
80Health
SDK Cargo

Nostr SDK

A full-featured Rust SDK for building high-performance clients and in-process relays on the Nostr protocol

674
MIT
Used by 1
86Health
SDK PyPI

deepgram-python-sdk

Official Python SDK for Deepgram's speech-to-text, text-to-speech, and voice agent APIs, with sync, async, and WebSocket support.

466
MIT
Used by 1
44Health
SDK PyPI

uptime-kuma-api

A Python client for automating Uptime Kuma over its Socket.IO API instead of clicking through the web UI.

396
MIT
Used by 1

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers