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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Tailwind CSS
A utility-first CSS framework for rapidly building custom user interfaces without leaving your markup.
prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
postcss
A CSS transformation engine that parses styles into an AST, letting JS plugins lint, prefix, and rewrite CSS — the foundation beneath Autoprefixer, Tailwind, and 200+ other tools.
typescript-eslint
The official meta-package bundling the TypeScript ESLint parser, plugin, and rule presets behind a single typed config() helper.
tailwind-merge
Merge Tailwind CSS classes without style conflicts
Autoprefixer
Parses your CSS and automatically adds vendor prefixes using real-world browser usage data from Can I Use.
class-variance-authority
A tiny TypeScript utility for building type-safe, variant-driven className APIs on top of clsx.
esbuild
An extremely fast JavaScript and CSS bundler and minifier written in Go.
Marked
A fast, low-level Markdown compiler that parses CommonMark and GFM into HTML in Node.js, browsers, or the CLI.
Sass
The reference Dart implementation of Sass, the mature CSS preprocessor that compiles SCSS and indented syntax to standards-compliant CSS.
js-yaml
A fast, complete YAML 1.2 and 1.1 parser and serializer for JavaScript.
tailwindcss-animate
Tailwind CSS plugin for enter and exit animations using utility classes
yaml
A definitive TypeScript parser and stringifier for YAML, supporting 1.1 and 1.2 with comment and CST access.
tw-animate-css
A pure-CSS, Tailwind CSS v4 compatible replacement for tailwindcss-animate.
Commander.js
The complete, battle-tested framework for building Node.js command-line interfaces.
Fontsource Inter
Self-host the Inter typeface with a single npm install and zero third-party font requests.
Oxlint
Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.
diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
classnames
A tiny utility for conditionally joining CSS class names together.
Emotion
Performant, flexible CSS-in-JS styling for React with the css prop, theming, and SSR support
css-loader
Resolves CSS @import and url() like JavaScript imports so webpack can bundle stylesheets and their assets.
url
A WHATWG-standard-compliant URL parser and manipulation library for Rust.