Headless WordprocessingML reading, layout, preservation, and editing for Tumbler.

Framework-free long-form reading layout with notes beside each paragraph: renders to an HTML string (build time or server), plus a small browser script for the switches, two-way hover and a phone panel that follows the reader

An advanced font engine for Node and the browser

Long-form reading layout with notes beside each paragraph: aligned notes column, margin marks, two-way hover, switchable note kinds, and a phone bar that follows the reader

A polyfill for the requestIdleCallback.

An advanced font engine for Node and the browser

Medium's like reading time estimation.

## Installation

Basic layout model and some utilities for Cytoscape.js layout extensions

Automatic graph layout based on Sugiyama's algorithm. Specialized for data flow diagrams and ports.

Graph layout for JavaScript

A React hook that uses useEffect() on the server and useLayoutEffect() in the browser

Manipulate SVG path data (path[d] attribute content) simply and efficiently.

A React helper hook for scheduling a layout effect with a fallback to a regular effect for environments where layout effects should not be used (such as server-side rendering).

Prebuilt yoga-layout package

Standard library

Core module for compound spring embedder based layout styles

JSONL durable session persistence backend for the DeepSeek Harness

Tidy-tree layout engine for mermaid

The Material Components for the web layout grid component