I bombed a system design interview last year — not because I didn't know the architecture, but because I spent the first 5 minutes fighting Excalidraw.

So I built SystemDesignBoard — a free, keyboard-first whiteboard specifically for system design interviews.

What it does

You open it, press a key, and start drawing. No account, no onboarding, no drag-from-a-sidebar friction.

R → place a Service node