A state—reactive DOM rendering engine for building UIs. 👻

Makes state reactive

`preact-sigma` is a typed state-model layer for Preact and TypeScript. It keeps top-level public state reactive, derived reads local to the model, writes explicit through class actions, and side effects owned by explicit setup.

[](https://npm.im/@dnd-kit/state)

tldraw infinite canvas SDK (state).

Reactive dataflow processing.

Primitives for creating small reactive objects that doesn't change their shape over time - don't need a proxy wrapper.

Reactive utilities for Embla Carousel

Reactive Extensions for modern JavaScript

Framework-agnostic reactive state management with event processing.

A simple low level base class for creating fast, lightweight web components

State Management using Signals

A library for building fast, lightweight web components

Library for composing asynchronous and event-based operations in JavaScript

SolidJS Primitives to manage creating event listeners.

A reactive document.activeElement. Check which element is currently focused.

A collection of helpers that aim to simplify using reactive primitives outside of reactive roots, and managing disposal of reactive roots.

Welcome to the README of Gurx, an typescript-native reactive state management library for complex web applications and components that do not have the symmetry of the store object and the component tree.

Utilities for Svelte 5 that I find useful and will use in the various projects I work on. It's maintained by me, for me.

Client SDK for connecting to **Agent-User Interaction (AG-UI) Protocol** servers.