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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date-fns
Modern JavaScript date utility library with 200+ pure, immutable functions
Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
remark-gfm
Add GitHub Flavored Markdown support to remark for tables, task lists, footnotes, and strikethrough.
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.
Requests
The elegant, human-friendly HTTP library that made Python's most-used API for talking to the web.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
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.
HTTPX
A next-generation HTTP client for Python with sync, async, and HTTP/2 support
Uvicorn
A lightning-fast ASGI server for Python, built on uvloop and httptools.
NumPy
The fundamental N-dimensional array library powering Python's scientific computing stack.
PyYAML
A full-featured YAML parser and emitter for Python, with C-accelerated bindings
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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.
python-dotenv
Load environment variables from a .env file into Python's os.environ, the standard way to keep 12-factor config out of your code
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.
pandas
The Python DataFrame library for fast, flexible, and expressive data analysis and manipulation.
Pillow
The friendly PIL fork that adds image processing capabilities to Python
