Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Chart.js
Simple, flexible JavaScript charting for designers and developers
three.js
The cross-browser JavaScript 3D library that renders scenes through WebGL and WebGPU behind one unified, node-based shading API.
react-tooltip
A lightweight, accessible React tooltip component with automatic Floating UI-powered positioning.
node-html-markdown
A fast, dependency-light HTML-to-Markdown converter for Node.js and the browser, tuned for speed at scale.
hls.js
JavaScript HLS client that plays HTTP Live Streaming video in the browser via MSE
soupsieve
The pure-Python CSS4 selector engine that powers Beautiful Soup's select() and select_one() methods.
Konva
An HTML5 Canvas JavaScript framework for building interactive 2D graphics, editors, and diagrams.
Video.js
An open-source, plugin-extensible web video player built on HTML5 video, with adaptive streaming, skinnable UI, and a large plugin ecosystem.
StreamSaver.js
Saves large files and streams straight to disk from the browser without loading them into memory.
html-tags
The full list of standard HTML tags and void (self-closing) elements, sourced from the WHATWG spec.
@rc-component/tooltip
A positioned React tooltip component supporting hover, focus, click, and controlled popup flows.
html5gum
A WHATWG-spec-compliant HTML5 tokenizer for Rust with pluggable emitters, letting you trade convenience for near-zero-allocation performance.
canvas-hypertxt
A zero-dependency library for laying out and wrapping text on an HTML5 canvas at high speed.
attr-accept
JavaScript implementation of the HTML5 file input accept attribute.
tinyhtml5
A tiny, WHATWG-spec HTML5 parser that turns malformed real-world HTML into a clean Python ElementTree.