Typesetting engine — Knuth-Plass line breaking, hyphenation, page layout, canvas rendering. Turn markdown-ish source into typeset pages.

React hook for detecting click, tap or point and hold event. Easy to use, highly customizable options, thoroughly tested.

Self-host the Press Start 2P font in a neatly bundled NPM package.

ISO 9660 CD/DVD filesystem reader and writer in pure JavaScript. Supports Joliet extensions.

A Node.js interface to the Android monkey tool.

Provides key hold-start, holding, hold-end and other events.

Repeat test suite multiple times

airbnb/react-outside-click-handler but for React Native

The core engine of GestureEvents, a modern and robust multi-pointer gesture detection library for JavaScript.

Make your PDFs compliant with press-ready PDF/X-1a.

Greedy voxel meshing for block models and volumetric data. Binning, bucket aggregation, chunked meshing, convenience helpers. Produces triangle meshes for rendering.

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A 1k script that adds a long-press event to the DOM using pure JS

Python-in-JavaScript. AST parser + tree-walking evaluator in pure JS, no Wasm. Standalone library — Python values are JS values (no FFI boundary). Used by Auditable as a cell type.

Use the Press Start 2P font family from Google Fonts in your Expo app

Unit conversion for length, mass, area, volume, angle, grade, density, and magnetic quantities. Sieve mesh conversions, drill core utilities, formatting helpers.

DataFrame-style structured data manipulation: series, tables, group-by, joins, CSV/JSON IO. Inspired by pandas, scaled down for a notebook runtime.

Soft — an English-keyword programming language with a tree-walking evaluator. Pure JS interpreter, locale-aware keywords (en, pt-BR bundled). Semantics map closer to JS than Python.

Curated interaction sounds for the web — synthesized live with zero runtime dependencies.

Images etc in Full Screen Lightbox Popovers for React Native