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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xterm.js
A fast, self-contained TypeScript library for embedding fully-featured terminals in the browser.
TanStack Router
A fully type-safe React router with built-in data loading, caching, and URL search-param validation.
SWC
Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
react-dropzone
A lightweight React hook for building HTML5-compliant drag-and-drop file upload zones.
prism-react-renderer
A lightweight, themeable Prism syntax highlighter for React and React Native, built on a render-props API.
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.
RxJS
The standard library for composing asynchronous and event-based programs using observable sequences
markdown-it
A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.
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.
bcrypt.js
A zero-dependency, pure JavaScript implementation of bcrypt for hashing and verifying passwords in Node.js and the browser.
core-js
Modular standard library and polyfills for JavaScript, from ECMAScript features to proposals and web standards.
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
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
Vaul
An unstyled, physics-based drawer component for React, built on Radix UI's Dialog primitive.
remark
A plugin-powered markdown processor that parses, transforms, and serializes markdown on top of unified.
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.
