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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Playwright
Cross-browser end-to-end web testing and browser automation with a single API for Chromium, Firefox, and WebKit.
React Router
A multi-strategy router for React, from a lightweight library to a full SSR framework.
Express
The fast, unopinionated, minimalist web framework for Node.js
Next.js
The React framework for production: file-based routing, server rendering, and Rust-powered builds.
posthog-js
The official browser SDK for PostHog — autocapture, session replay, feature flags, and surveys in one drop-in script.
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.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
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.
Commander.js
The complete, battle-tested framework for building Node.js command-line interfaces.
OpenAI
The official Node.js/TypeScript client for the OpenAI API, auto-generated from OpenAI's own OpenAPI spec.
Stripe Node.js Library
The official Node.js and TypeScript library for the Stripe API, giving developers a fully typed client for payments, billing, and Connect.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Vue
The progressive JavaScript framework for building fast, reactive user interfaces.
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
Cobra
The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
boto3
The official AWS SDK for Python — call every Amazon Web Services API from your code.
Anthropic TypeScript SDK
The official TypeScript and JavaScript SDK for building on Anthropic's Claude API.
OpenAI Python SDK
The official Python library for the OpenAI REST API, generated from OpenAI's OpenAPI spec with typed sync and async clients.
Google Cloud Storage
Node.js client library for Google Cloud Storage — upload, download, and manage buckets and objects programmatically.
TanStack Router
A fully type-safe React router with built-in data loading, caching, and URL search-param validation.
Vue Router
The official client-side router for Vue.js, powering nested routes, navigation guards, and single-page app navigation.
