Universal utilities for working with graphs

The Generative UI framework

Kanban as it should be. Not as it has been.

🤖 A functional, immutable Finite State Machine library

Interactive Effect Visualizations

A modern JavaScript utility library that's 2-3 times faster and up to 97% smaller—a major upgrade to lodash.

A little code puzzle game, built with React and XState.

Type-driven finite state machines

dev tools, env vars, task runner

Open source comprehensive 2D content creation tool suite for graphic design, digital art, and interactive real-time motion graphics — featuring node-based procedural editing

wanderer is a self-hosted trail database. Save your adventures!

Mock Service Worker binding for Playwright.

A payments protocol for the internet. Built on HTTP.

Sell stuff and see what sticks

A type safe library for building step-by-steps workflows

A collaborative note taking, wiki and documentation platform that scales. Built with Django and React.

Provide JavaScript API for typescript-go

The Standalone Portable Text Editor

"Superposition" between sync and async

A migration library for persisted XState machines, designed to facilitate state machine migrations when updating your XState configurations

Spawn thanks to the actor model many resource pickers made with finite states machine

Build complex CLIs with type safety and no dependencies

XState tsserver plugin for easier navigation in state machines

Ponyfill of the experimental `React.useEffectEvent` hook

🚕 Turn stories into executable tests

Toolkit with accessible components, styles, and examples for your next web app