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Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

The React Framework

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

A collection of DESIGN.md files analysis by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.

FastAPI framework, high performance, easy to learn, fast to code, ready for production

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices.

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Extracted system prompts from Anthropic - Claude Fable 5, Opus 4.8, Claude Code, Claude Design. OpenAI - ChatGPT GPT-5.6, Codex GPT-5.6, GPT-5.5. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

A Vue.js 2.0 UI Toolkit for Web

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

Curated List of React Components & Libraries.

👩‍💻👨‍💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.

Learn how to design systems at scale and prepare for system design interviews

An open source collection of animated, interactive & fully customizable React components for building memorable websites.

Fast, expressive styling for React. Server components, client components, streaming SSR, React Native—one API.

🐉 Vue Component Framework

Chakra UI is a component system for building SaaS products with speed ⚡️

⚡️ Express inspired web framework written in Go

Learn System Design concepts and prepare for interviews using free resources.

Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you want.

⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.

Fast and low overhead web framework, for Node.js

Awesome React Native components, news, tools, and learning material!

一款轻量级、高性能、功能强大的内网穿透代理服务器。支持tcp、udp、socks5、http等几乎所有流量转发，可用来访问内网网站、本地支付接口调试、ssh访问、远程桌面，内网dns解析、内网socks5代理等等……，并带有功能强大的web管理端。a lightweight, high-performance, powerful intranet penetration proxy server, with a powerful web management terminal.

SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.

High performance, minimalist Go web framework

beego is an open-source, high-performance web framework for the Go programming language.

A fully featured React components library

Automated auditing, performance metrics, and best practices for the web.

🚀 Beautiful, fast and modern React UI library. (Previously NextUI)

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

The Select Component for React.js

Redefined chart library built with React and D3

React components for efficiently rendering large lists and tabular data

A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design

If you want to become good at AI & system design, join this newsletter 👇

A format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

The fastest HTTP/2 Go Web Framework. New, modern and easy to learn. Fast development with Code you control. Unbeatable cost-performance ratio :rocket:

💅🏻 ⚒ A collection of awesome design systems

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.

A lightweight, customizable Vue UI library for mobile web apps.

A high quality UI Toolkit built on Vue.js 2.0

System design interview for IT companies

Bootstrap components built with React

A React-based UI toolkit for the web

🌈 An enterprise-class UI components based on Ant Design and Vue. 🐜

UI Library for Design Engineers. Animated components and effects you can copy and paste into your apps. Free. Open Source.

A set of over 6000 free MIT-licensed high-quality SVG icons for you to use in your web projects.

🐯 visx | visualization components

Vue drag-and-drop component based on Sortable.js

Mobile-first, accessible components for React Native & Web to build consistent UI across Android, iOS and Web.

Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

Infinite Red's battle-tested React Native project boilerplate, along with a CLI, component/model generators, and more! 9 years of continuous development and counting.

Markdown for the component era