Sketchcalibur – real-time collaborative whiteboard app with infinite rooms

Summary: Sketchcalibur is a real-time collaborative whiteboard supporting over 100 users simultaneously with unlimited themed rooms, secure room creation, and mobile-responsive design.

What it does

It enables multiple users to draw and sketch ideas together using WebSocket-based real-time cursor movements and the Excalidraw canvas library.

Who it's for

Teams needing a scalable, interactive platform for visual collaboration and idea sharing.

Why it matters

It facilitates seamless, secure collaboration across devices with high user retention.