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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cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
React CodeMirror
A fully-typed React component and hook for embedding the CodeMirror 6 code editor with themes and language extensions.
markdown-it
A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.
React Email
High-quality, unstyled React components for building responsive HTML emails
Embla Carousel React
A lightweight, dependency-free React hook for building fluid, touch-precise carousels and sliders.
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
Headless UI
Unstyled, fully accessible UI components for React and Vue, built for Tailwind CSS
Vaul
An unstyled, physics-based drawer component for React, built on Radix UI's Dialog primitive.
react-error-boundary
Reusable React error boundary component that catches rendering errors and shows a fallback UI.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
python-dateutil
Powerful extensions to Python's datetime module for parsing, deltas, recurrence, and timezones.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
Base UI
Unstyled, accessible React components and low-level hooks for building your own design system.
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
input-otp
Accessible, unstyled one-time password input component for React with full keyboard, paste, and password-manager support.
Cheerio
The fast, flexible library for parsing and manipulating HTML and XML with a familiar jQuery-style API.
Jinja
A fast, expressive, and extensible templating engine for Python.
prop-types
Runtime type checking for React component props, warning in development when data doesn't match the declared shape.
react-hotkeys-hook
A lightweight React hook for wiring up keyboard shortcuts in components declaratively.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
SWR
React Hooks for data fetching with built-in caching, revalidation, and real-time updates
Tabler Icons React
6000+ free MIT-licensed SVG icons as tree-shakable React components with customizable size, color, and stroke.
SQLAlchemy
The Python SQL toolkit and Object Relational Mapper that gives developers the full power and flexibility of SQL.
