Excalidraw System Design Library

Preparing for FAANG system design interviews? The best way to master them is to practice by sketching real architectures — and this library makes that effortless.

I’ve built a complete Excalidraw component library with all the essential blocks you’ll need to design and discuss systems clearly during interviews.

💡 What’s Inside

Standard system design components:

• Message Queue
• Load Balancer
• CND
• Search Engine
• Key-value Store
• Wide-Column Store
• Relational Database
• Custom Service
• Web or Desktop App
• Mobile App

Plus 10 AI-focused extras for modern interview questions:

• Text Chunker
• Reranker

• Vector Store
• Retrieval System
• LLM
• Document
• Chunks
• Cache
• Session Store
  

Excalidraw is a fantastic tool as you can conveniently sketch out your system design and use the collaborative feature for peer review and mock interviews! Moreover it's free and doesn't require any sign-up!