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.
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.
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.
Fontsource Inter
Self-host the Inter typeface with a single npm install and zero third-party font requests.
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
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
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
Font Awesome Free
The internet's icon toolkit — thousands of SVG, web font, and CSS icons for the web
postcss-import
A PostCSS plugin that inlines @import rules, merging split CSS files into one stylesheet before other plugins run.
styled-components
Write actual CSS in your React components and let styled-components scope, inject, and dedupe it at runtime.
color
Immutable JavaScript color conversion and manipulation with CSS string support
cssnano
A modular CSS minifier built on the PostCSS ecosystem, composing dozens of swappable optimization plugins into safe, lite, and advanced presets.
postcss-preset-env
Converts tomorrow's CSS syntax into code today's browsers understand by auto-selecting PostCSS polyfill plugins from your browserslist targets.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
react-transition-group
react-transition-group: React Component Animation Toolkit
tailwind-variants
Typed Tailwind CSS variant API with slots, compound variants, and built-in class-conflict resolution