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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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
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.
Requests
The elegant, human-friendly HTTP library that made Python's most-used API for talking to the web.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
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.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
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.
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.
PyYAML
A full-featured YAML parser and emitter for Python, with C-accelerated bindings
cors
Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.
python-dotenv
Load environment variables from a .env file into Python's os.environ, the standard way to keep 12-factor config out of your code
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Pino
A super fast, low-overhead JSON logger for Node.js applications.
Pillow
The friendly PIL fork that adds image processing capabilities to Python
pandas
The Python DataFrame library for fast, flexible, and expressive data analysis and manipulation.
