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

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

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

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

Collection of DESIGN.md files that capture design systems from popular websites. Drop one into your project and let coding agents build matching UI.

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.

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.

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.

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System design interview for IT companies

OpenViking is an open-source context database designed specifically for AI Agents(such as openclaw). OpenViking unifies the management of context (memory, resources, and skills) that Agents need through a file system paradigm, enabling hierarchical context delivery and self-evolving.

💅🏻 ⚒ A collection of awesome design systems

Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.

UVdesk Open Source Community Helpdesk is a comprehensive ticketing support system designed for everyone, offering robust features to streamline customer support and collaboration.

These are the best resources for System Design on the Internet

Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).

cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to remember.

Primer is GitHub's design system. This is the CSS implementation

A curated list of awesome System Design (A.K.A. Distributed Systems) resources.

A design system for building faithful recreations of old UIs

:boom: React Native UI Library based on Eva Design System :new_moon_with_face::sparkles:Dark Mode

A booklet on machine learning systems design with exercises. NOT the repo for the book "Designing Machine Learning Systems", which is `dmls-book`

This repository contains a curated collection of 300+ case studies from over 80 companies, detailing practical applications and insights into machine learning (ML) system design. The contents are organized to help you easily find relevant case studies based on industry or specific ML use cases.

🚀A modern, comprehensive, flexible design system and React UI library, AI-friendly built-in.🎨Provide 3000+ Design Tokens, easy to build your design system. Make Semi Design to Any Design.🧑🏻‍💻 Design to Code in one click

A high-performance distributed file system designed to address the challenges of AI training and inference workloads.

An operating system designed for hosting containers

Rocky Linux is a community enterprise Operating System designed to be 100% bug-for-bug compatible with Enterprise Linux created in response to the effective discontinuation of CentOS.

FastDFS is a high performance distributed file system (DFS). It's major functions include: file storing, file syncing and file accessing, and design for high capacity and load balance. Wechat/Weixin public account (Chinese Language): fastdfs

Preparation links and resources for system design questions

Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.