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.
Express
The fast, unopinionated, minimalist web framework for Node.js
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.
Docusaurus
React-based static site generator for building fast, maintainable documentation websites.
PHPUnit
The de facto standard, programmer-oriented unit testing framework for PHP.
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.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
Bootstrap
The world's most popular front-end framework for building responsive, mobile-first sites
Laravel
The expressive, elegant PHP framework for building modern web applications
@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
Solid.js
A declarative JavaScript library that compiles to real DOM nodes and updates them with fine-grained reactivity — no virtual DOM required.
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
napi-rs
Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
Symfony Console
The PHP framework component for building beautiful, testable command-line applications
Capacitor
Build native iOS, Android, and Progressive Web Apps from a single web codebase
Pulumi
Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.
grammY
The modern TypeScript framework for building Telegram bots on Node.js and Deno
Remotion
A React framework for creating videos programmatically with code, real browser rendering, and server-side or cloud-scale export.
graphql-yoga
A fully-featured, spec-compliant GraphQL server built on the WHATWG Fetch API, running anywhere from Node to Cloudflare Workers.
