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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prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
dotenv
Loads environment variables from a .env file into process.env for Node.js apps.
date-fns
Modern JavaScript date utility library with 200+ pure, immutable functions
jsdom
A pure-JavaScript implementation of the WHATWG DOM and HTML standards for Node.js.
Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
Express
The fast, unopinionated, minimalist web framework for Node.js
AWS SDK for JavaScript (S3 Client)
The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.
ws
A simple, blazing-fast, thoroughly tested WebSocket client and server library for Node.js.
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
i18next
The internationalization framework for JavaScript, with zero runtime dependencies and a pluggable ecosystem for every environment.
AI SDK
Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.
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.
OpenAI
The official Node.js/TypeScript client for the OpenAI API, auto-generated from OpenAI's own OpenAPI spec.
fs-extra
Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.
ioredis
A robust, full-featured Redis client for Node.js with built-in Cluster, Sentinel, and TypeScript support.
cors
Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
Pino
A super fast, low-overhead JSON logger for Node.js applications.
chokidar
Minimal and efficient cross-platform file watching for Node.js.
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
