SystemCraft is an interactive system design practice platform. Most prep tools give you theory. SystemCraft gives you a canvas. Read deep-dive docs for 100+ real-world systems — then open the practice canvas and design it yourself with a drag-and-drop architecture builder. ✦ 100+ systems with deep documentation ✦ Interactive drag-and-drop canvas ✦ Structured learning roadmap ✦ Progress tracking ✦ AI-assisted generation Free to use. No fluff.
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Hey Product Hunt! 👋 I'm Ashwin, the solo dev behind SystemCraft.
The idea came from my own interview prep frustration — I had YouTube videos, blog posts, and rough paper diagrams all open at once. Nothing let me actually practice designing a system.
So I built it myself.
SystemCraft started as a personal tool. Then I kept adding — a proper canvas with real components (load balancers, queues, databases, CDNs), deep documentation for each system, a structured roadmap to guide the learning path, and AI generation when you're stuck.
Built solo. Full stack. Every line from scratch.
This is v1, and I'm actively shipping. Would love brutal feedback — what's missing, what's broken, what would make this actually useful for your interview prep.
Try it free → systemcraft.ashwinsi.in