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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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.
react-select
The flexible, accessible Select control for React with multi-select, async, and creatable options.
React Aria
Unstyled, accessible React hooks and components for building your own design system.
yargs
The modern, pirate-themed command-line argument parser and command framework for Node.js
sanitize-html
Allowlist-based HTML sanitizer that strips XSS vectors from untrusted markup while preserving the tags and attributes you choose to keep.
psycopg2
The most popular PostgreSQL database adapter for Python, implementing the full DB API 2.0 specification.
React Redux
Official React bindings for Redux — performant, flexible hooks and Provider for connecting components to your store.