This is a free to use Drawpile server.
To host a session here, select the Remote option
in the Host dialog and enter pub.drawpile.net
in the text box.
This public server is provided primarily for the benefit of those who are unable to host sessions on their own computers. It has limited capacity, so please be considerate of others and try not to monopolize the available space.
Sessions hosted (or just listed) here should abide by the common community guidelines.