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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React Testing Library
Simple and complete React DOM testing utilities that encourage good testing practices.
DOM Testing Library
Simple, framework-agnostic DOM query utilities that test your UI the way real users interact with it.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
fast-xml-parser
Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks
Chai
BDD/TDD assertion library for Node.js and the browser, framework-agnostic
validator.js
A dependency-free library of 100+ string validators and sanitizers for Node.js and the browser.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.
got
Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.
mathjs
Extensive math library for JavaScript and Node.js with big numbers, complex numbers, units, and matrices.
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
deep-equal
A standalone port of Node's own assert.deepEqual algorithm, giving spec-accurate deep equality checks in Node and the browser alike.
rust-pretty-assertions
Drop-in replacements for Rust's assert_eq! and assert_ne! that print colorful, side-by-side diffs instead of raw Debug dumps.
msgraph-sdk-javascript
Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.
@vitejs/plugin-basic-ssl
A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.
assert
Node.js's assert module, ported to run in browsers and bundlers
superagent
A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.
gridstack.js
A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.
