WiX.com widget application which allows visitors to leave drawings on a shared canavas in real-time. Developed during my internship at WiX.com. I had a great time using wonderful Elm to develop the painter as well as Haskell to develop real-time back-end server.

The website owners can also download real-size PDF (select between inches/centimeters) of the board at any time as well as customize the look (borders, canvas color, etc).

Work on both mobile and desktop.

Source: https://github.com/timoha/whiteboard-tpa