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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prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
date-fns
Modern JavaScript date utility library with 200+ pure, immutable functions
jsdom
A pure-JavaScript implementation of the WHATWG DOM and HTML standards for Node.js.
Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
DOMPurify
DOM-only, uber-tolerant XSS sanitizer for HTML, MathML, and SVG that runs in the browser and on the server.
Zustand
A small, fast React state management library with a hook-based API and no boilerplate.
eslint-plugin-import
ESLint rules that validate ES module import/export syntax and catch broken paths before they hit your build.
Marked
A fast, low-level Markdown compiler that parses CommonMark and GFM into HTML in Node.js, browsers, or the CLI.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
@hookform/resolvers
Official React Hook Form adapters that plug 20+ schema-validation libraries — Zod, Yup, Joi, Valibot, ArkType and more — straight into useForm's resolver.
Storybook
The industry-standard workshop for building, documenting, and testing UI components in isolation, across every major frontend framework.
node-fetch
A lightweight, spec-compliant implementation of the browser Fetch API for Node.js
highlight.js
Zero-dependency JavaScript syntax highlighter with automatic language detection for over 190 languages.
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
Floating UI
React hooks and components for building accessible, perfectly positioned tooltips, popovers, and dropdowns.
eslint-plugin-jsx-a11y
Static ESLint rules that catch JSX accessibility issues before code ships.
React Email
High-quality, unstyled React components for building responsive HTML emails
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.
Cheerio
The fast, flexible library for parsing and manipulating HTML and XML with a familiar jQuery-style API.
Handlebars.js
A logic-less, extensible templating engine built on Mustache syntax with helpers, partials, and precompilation.
