Everything you need to visualize ideas with your team in one infinite space.
Infinite Canvas integrated with Excalidraw
Sketch, brainstorm, and map out architectures without ever running out of space.

Customised Real-time Multi-cursor
See your team's ideas come to life with sub-50ms latency.

Global Sync & Sharing
Synced across the globe with our cutting edge cloud infrastructure and CDN.
See what our 100+ users have to say about us.
Get all your questions answered about Sketchcalibur.
Sketchcalibur is a real-time collaborative whiteboard where multiple people can draw, brainstorm, and visualize ideas together instantly using a shared room.
Yes. You can create a room and start drawing instantly. Just share the link with others and collaborate in real time.
All drawing actions are synced instantly using real-time communication, so everyone in the room sees changes as they happen.
Yes. Sketchcalibur supports simultaneous drawing from multiple users, making it ideal for brainstorming and team discussions.
Yes. Sketchcalibur is currently free to use. There are no hidden charges or subscriptions.
No installations required. Sketchcalibur runs entirely in your browser on desktop and mobile devices.
Absolutely. Each room has a unique shareable link that you can send to anyone to join instantly.
Rooms are isolated and accessible only via their unique links. No personal data is required to start collaborating.
Yes. Sketchcalibur is open source. You can explore the code, contribute, or deploy your own version from the GitHub repository.
Sketchcalibur is great for teams, students, designers, educators, and anyone who wants to think and collaborate visually in real time.
Create a shared whiteboard in seconds and invite others with a single link. No setup, no downloads—just real-time collaboration that works the moment you open it.