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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jest-dom
Custom Jest matchers for asserting on the state of the DOM in your tests.
user-event
Simulates the full sequence of real browser events so Testing Library tests behave the way an actual user does.
concurrently
Run multiple terminal commands in parallel, with color-coded output and cross-platform support.
Chalk
The most popular Node.js library for styling terminal string output with ANSI colors.
Cobra
The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.
xterm.js
A fast, self-contained TypeScript library for embedding fully-featured terminals in the browser.
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
Cypress
Fast, easy, and reliable end-to-end and component testing for anything that runs in a browser.
@clack/prompts
Opinionated, ready-to-use interactive prompt components for building beautiful command-line apps in Node.js.
fast-xml-parser
Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks
strip-ansi
Strips ANSI escape codes from strings — the small, fast utility Node.js later built directly into its own core API.
Inquirer.js
Interactive command-line prompts for Node.js — lists, checkboxes, confirms, and more with a single async API.
Prompts
Lightweight, beautiful and user-friendly interactive CLI prompts for Node.js.
Ink
React for CLIs — build and test interactive command-line apps using declarative, Flexbox-based components instead of manual stdout writes.
Collision
Beautiful command-line error reporting for PHP apps and test suites