🗺️ SystemDesignMap is an open-source, visual roadmap to learn system design.
It helps developers understand how real-world applications are built—from architecture fundamentals to full-scale distributed systems.
Every day, we use apps like Instagram, YouTube, WhatsApp, and GitHub.
But how are they actually designed? What happens when we tap "send", "search", or "login"?
SystemDesignMap was created to explore those answers.
Created by Mr. Krishnamohan Yagneswaran, out of a love for understanding how the software we use every day actually works under the hood.
- 📚 Structured, topic-based roadmaps for system design
- 🧠 Concepts like caching, queuing, load balancing, data sharding, etc.
- 🛠️ Visual maps built from JSON or Markdown
- 🤝 Community contributions via GitHub Pull Requests
- 🚫 Licensed for personal and educational use only (see License)
- System design fundamentals
- Databases: SQL, NoSQL, distributed DBs
- Caching, CDNs, rate limiting
- Messaging systems (Kafka, RabbitMQ)
- Real-world systems: GitHub, Netflix, WhatsApp, Twitter
- Interview prep sections
Want to help improve the project? You can:
- Suggest new roadmap topics
- Fix typos or improve explanations
- Add links to learning resources
- Share feedback or ideas
See CONTRIBUTING.md for details.
This project is licensed under the CC BY-NC-ND 4.0 License.
It is free for personal learning and non-commercial educational use only.
Do not clone or reuse for commercial projects or as a service.
Mr. Krishnamohan Yagneswaran
“I built this because I love to learn how the apps we use every day actually work — beyond the screen.”
System design isn’t just about passing interviews — it’s about building things that scale, survive, and serve real people.
Explore the map, follow the links, and understand what really happens when software just works.