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
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
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.
aiohttp
Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.
Transformers
State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.
Docusaurus
React-based static site generator for building fast, maintainable documentation websites.
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
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
Bubble Tea
A Go framework based on The Elm Architecture for building terminal UIs, from simple prompts to full-window, high-performance TUI applications.
Solid.js
A declarative JavaScript library that compiles to real DOM nodes and updates them with fine-grained reactivity — no virtual DOM required.
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.
Remotion
A React framework for creating videos programmatically with code, real browser rendering, and server-side or cloud-scale export.
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
