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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mPDF
A pure PHP library that renders UTF-8 HTML and CSS into PDF documents, with built-in CJK font support, barcodes, and tables of contents.
clean-css
A battle-tested CSS minifier for Node.js and the browser with three tunable optimization levels.
Panzoom
A lightweight, dependency-free library for adding smooth pan-and-zoom interactions to any HTML or SVG element using CSS transforms.
Scraper
HTML parsing and querying with CSS selectors, built on Servo's html5ever and selectors crates.
tss-react
Type-safe CSS-in-JS styling for React, powered by Emotion, with first-class MUI support
postcss-prefixwrap
A PostCSS plugin that wraps every CSS rule in a container selector to scope styles safely.
intl-tel-input
A JavaScript library that turns a plain text field into a country-aware phone number input, with official React, Vue, Angular, and Svelte components.
request-promise
A Bluebird-powered Promise wrapper around the request HTTP client for Node.js — deprecated since 2020 along with request itself.
common-tags
A well-tested library of tagged template literal functions for cleaning up multiline strings, HTML, and lists in ES2015+ JavaScript.
http-cookie-agent
Adds tough-cookie-based cookie jar support to Node.js global fetch, undici, axios, node-fetch, and other HTTP clients.
cssselect2
CSS4 selector matching for Python ElementTree-like document trees
sns-payload-validator
Verifies AWS SNS message signatures for HTTP/S and Lambda payloads.
Shoelace
A forward-thinking library of professionally designed, accessible web components that work with any framework.
WeasyPrint
Turns HTML and CSS into pixel-perfect PDFs using a pure-Python rendering engine built for print.
Theme UI
Constraint-based design-graph framework for building themeable React UIs
finder
Generates the shortest, unique, and robust CSS selector for any DOM element in just 1.5kb.
League URI
A PHP library for parsing, building, and manipulating URIs, URNs, and URI templates
axum-server
A hyper-based HTTP server designed to be used with the Rust axum web framework.
esbuild-sass-plugin
An esbuild plugin that compiles Sass and SCSS to CSS with caching, source maps, and CSS Modules support.
tree-sitter-css
Fast, incremental CSS grammar for the Tree-sitter parsing framework.
Less.php
A pure-PHP port of the Less.js CSS preprocessor that compiles LESS into CSS.
style-to-object
Parses CSS inline style strings into plain JavaScript objects, powering markdown-to-jsx, react-markdown, and dozens of other rendering pipelines.
docusaurus-plugin-sass
Adds Sass and SCSS support to Docusaurus v2 and v3 sites via a drop-in webpack plugin.
@parcel/reporter-dev-server
Parcel's built-in dev-server reporter, serving bundled output with hot module replacement and Node worker support.
