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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Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
Next.js
The React framework for production: file-based routing, server rendering, and Rust-powered builds.
OpenTelemetry JavaScript (@opentelemetry/api)
Vendor-neutral tracing, metrics, and context API that libraries and apps instrument once, so any OpenTelemetry-compatible backend can consume it.
Monaco Editor
The browser-based code editor that powers VS Code, embeddable in any web application.
jose
Zero-dependency JWT, JWS, JWE, and JWK toolkit for Node.js, browsers, and edge runtimes.
Faker
Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.
open
Cross-platform Node.js library that opens URLs, files, and executables in the user's default or a specified app.
buffer
The Node.js Buffer API, reimplemented for the browser on top of Uint8Array.
js-cookie
A simple, lightweight JavaScript API for handling browser cookies, client-side.
Astro
The web framework for building fast, content-driven websites with islands architecture.
Cypress
Fast, easy, and reliable end-to-end and component testing for anything that runs in a browser.
turndown
Convert HTML into clean, customizable Markdown in Node.js and the browser.
fflate
High-performance DEFLATE, GZIP, Zlib, and ZIP compression for JavaScript in an 8kB package.
ua-parser-js
Detects browser, engine, OS, CPU, and device type from a User-Agent string or Client Hints, in browsers and Node.js.
debug
A tiny, zero-config JavaScript debugging utility with namespaced, color-coded output for Node.js and the browser.