Reactive Programming Python Packages

pyventus

A Python library for event-driven and reactive programming.

csp

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

pyresin

Reactive probabilistic logic programming with Reactive Circuits: exact, incremental inference over asynchronous data streams.

bootstack

Build desktop GUI apps in pure Python and ship them as a standalone executable. Built on Tk, with 60+ widgets, reactive state, semantic styling, and a CLI that packages your app — no Tkinter boilerplate.

csp-gateway

csp-gateway is a framework for building high-performance streaming applications

miros

Python statecharts

pylage

Server-driven, reactive UI framework for Python — build web apps without writing HTML or JavaScript

rxsci

ReactiveX for data science

wingfoil

ultra low latency graph based stream processing framework

cyclotron

A functional and reactive framework

larch-reactive

reactive programming library

csp-bot

Reactive chat bot framework

csp-gateway-client

csp-gateway is a framework for building high-performance streaming applications

csp-adapter-symphony

A csp adapter for symphony

vmx

Spec-driven, lifecycle-aware MVVM/ViewModel framework for C#, Python, TypeScript, Swift, and Rust. One language-neutral VMx spec, five catalog-complete flavors, shared reactive contracts, and 408 conformance IDs.

csp-bot-commands

Miscellaneous commands for csp-bot

cyclotron-aio

Asyncio support for cyclotron

onto

Idealistic and yet usable framework for event-driven backend

dooble

marble diagram generator from text input

cyclotron-std

Python standard library drivers and components for Cyclotron

csp-adapter-discord

A csp adapter for discord

eventsystem

Convenient python library for dispatching events with type annotations.

csp-adapter-slack

A csp adapter for slack

asynced

Reactive programming in modern async python