system-design-primer

The single most popular system design resource on GitHub. Covers scalability, load balancing, caching, database design, CAP theorem, and more — with illustrated diagrams, Anki flashcards, and Python code examples. Based on real interview questions from FAANG companies. Best for engineers preparing for system design interviews or wanting to understand how large systems work.

AI ToolFree Tier: Fully free, open-source (MIT)Company: Donne MartinCategory: Git ReposOpen Source: YesQuick Start: Clone or star the repo → Start with the 'Design a URL shortener' walkthrough → Use the Anki flashcards for spaced repetition of key concepts

system-design-primer

290K★ — Learn how to design large-scale systems — the definitive guide

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The single most popular system design resource on GitHub. Covers scalability, load balancing, caching, database design, CAP theorem, and more — with illustrated diagrams, Anki flashcards, and Python code examples. Based on real interview questions from FAANG companies. Best for engineers preparing for system design interviews or wanting to understand how large systems work.

FREE TIER
Fully free, open-source (MIT)
COMPANY
Donne Martin
CATEGORY
Git Repos › Learning & Resources
OPEN SOURCE
Yes
PRIVACY
Static content; no tracking
TAGS
system-designinterviewsarchitecturescalability

QUICK START

Clone or star the repo → Start with the 'Design a URL shortener' walkthrough → Use the Anki flashcards for spaced repetition of key concepts

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