A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

ReactiveX for Python

Build reactive web UIs in Python

InfluxDB 2.0 python client

NoteSH fully functional sticky notes App in your Terminal!

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

csp is a high performance reactive stream processing library, written in C++ and Python

Pythonic Vue.js

Python+Webassembly Frontend Framework via PyScript

Library for performing multiphase simulations (based on the Shan-Chen model) in complicated geometries (i.e. porous media 3D images)

🐍🔥 The Python web frontend framework for building reactive web user interfaces. ✨

an automatic reaction network generator for reactive molecular dynamics simulation

Take a break from javascript. Write server-rendered reactive HTML liveviews for Django in pure python 💫

Example Hyperdiv apps

Carefully crafted library to operate with continuous streams of data in a reactive style with publish/subscribe, asyncio support and broker functionality.

A Python library for reactive programming (with kind-of working type narrowing).

Python Tk declarative UI framework with reactive data binding

GPU-Powered Sequential Manipulation in Milliseconds

PPG is a powerful modern framework for building scalable desktop applications with Python and Qt. It features a React-inspired component-based architecture, an advanced global state management system, and support for hybrid interfaces combining native widgets with modern web UIs.

Real hot-module reload for Python—side effects handled reactively.