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.
MCP TypeScript SDK
The official TypeScript SDK for building Model Context Protocol servers and clients.
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
Requests
The elegant, human-friendly HTTP library that made Python's most-used API for talking to the web.
i18next
The internationalization framework for JavaScript, with zero runtime dependencies and a pluggable ecosystem for every environment.
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
serde
A generic framework for serializing and deserializing Rust data structures efficiently and safely.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
Tokio
The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.
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.
HTTPX
A next-generation HTTP client for Python with sync, async, and HTTP/2 support
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.
Uvicorn
A lightning-fast ASGI server for Python, built on uvloop and httptools.
NumPy
The fundamental N-dimensional array library powering Python's scientific computing stack.
ioredis
A robust, full-featured Redis client for Node.js with built-in Cluster, Sentinel, and TypeScript support.
