Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
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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.
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.
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
Sass
The reference Dart implementation of Sass, the mature CSS preprocessor that compiles SCSS and indented syntax to standards-compliant CSS.
tailwindcss-animate
Tailwind CSS plugin for enter and exit animations using utility classes
tw-animate-css
A pure-CSS, Tailwind CSS v4 compatible replacement for tailwindcss-animate.
fs-extra
Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.
Fontsource Inter
Self-host the Inter typeface with a single npm install and zero third-party font requests.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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.
Pino
A super fast, low-overhead JSON logger for Node.js applications.
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.
Stylelint
An extensible CSS linter that catches errors and enforces consistent styling conventions.
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
