Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

Kind

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.

tsx

A drop-in replacement for the node CLI that runs TypeScript and ESM files instantly, powered by esbuild.

remark-gfm

Add GitHub Flavored Markdown support to remark for tables, task lists, footnotes, and strikethrough.

Marked

A fast, low-level Markdown compiler that parses CommonMark and GFM into HTML in Node.js, browsers, or the CLI.

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.

Commander.js

The complete, battle-tested framework for building Node.js command-line interfaces.

Oxlint

Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.

undici

A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies

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.

PapaParse

The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies

Clap

The most widely used command-line argument parser for Rust, with both derive and builder APIs.

SWC

Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel

style-loader

A webpack loader that injects bundled CSS into the DOM using style or link tags at runtime.

markdown-it

A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.

i18next-browser-languageDetector

Detects a visitor's language from cookies, storage, the URL, or the browser itself and wires it straight into i18next.

babel-loader

Babel loader for webpack (and Rspack) that transpiles modern JavaScript with filesystem caching and source map support.

@rollup/plugin-alias

Rollup plugin for defining and resolving import aliases, swapping brittle relative paths for clean, refactor-safe module names.

eslint-import-resolver-typescript

A TypeScript-aware module resolver that plugs into eslint-plugin-import(-x) so ESLint can correctly follow .ts/.tsx imports, tsconfig paths, and package export maps.