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.
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.
tsx
A drop-in replacement for the node CLI that runs TypeScript and ESM files instantly, powered by esbuild.
esbuild
An extremely fast JavaScript and CSS bundler and minifier written in Go.
lint-staged
Run linters and formatters only against the files staged in git, so a slow full-project lint never blocks a commit.
Sass
The reference Dart implementation of Sass, the mature CSS preprocessor that compiles SCSS and indented syntax to standards-compliant CSS.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
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.
@codemirror/view
The DOM view layer for the CodeMirror 6 code editor, handling rendering, input, and editor chrome.
Fontsource Inter
Self-host the Inter typeface with a single npm install and zero third-party font requests.