Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Kind2
Category
Sort:Used by Most Apps
Playwright
Cross-browser end-to-end web testing and browser automation with a single API for Chromium, Firefox, and WebKit.
Express
The fast, unopinionated, minimalist web framework for Node.js
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.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
TanStack Router
A fully type-safe React router with built-in data loading, caching, and URL search-param validation.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
Docusaurus
React-based static site generator for building fast, maintainable documentation websites.
PHPUnit
The de facto standard, programmer-oriented unit testing framework for PHP.
supabase-js
The official isomorphic JavaScript SDK for Supabase — database, auth, realtime, storage, and edge functions in one client.
@azure/identity
Microsoft Entra ID credential library that authenticates every Azure SDK client, from managed identity in production to CLI and browser login in development.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
Expo
Open-source framework for building universal native apps with React that run on Android, iOS, and the web.
Bootstrap
The world's most popular front-end framework for building responsive, mobile-first sites
Fastify
A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture
Laravel
The expressive, elegant PHP framework for building modern web applications
octokit.js
The all-batteries-included GitHub SDK for browsers, Node.js, and Deno.
dockerode
A Node.js client for the Docker Engine Remote API, covering containers, images, networks, and volumes with streams intact.
urfave/cli
A declarative, dependency-free Go package for building fast, friendly command-line tools.
@angular/core
The core runtime of Angular: components, dependency injection, change detection, and signals for building web, mobile, and desktop apps.
Slate
Completely customizable framework for building rich text editors
league/flysystem-aws-s3-v3
The official AWS S3 v3 SDK adapter for PHP Flysystem's unified filesystem API.
