WBO

WBO is an online collaborative whiteboard that allows many users to draw simultaneously on a large virtual board. The board is updated in real time for all connected users, and its state is always persisted. It can be used for many different purposes, including art, entertainment, design, teaching.

A demonstration server is available at https://wbo.openode.io.

Screenshots

The anonymous board

Used for teaching

Used for collaborative diagram editing

Used for drawing art