Infinitecanvas
infinitecanvas.appjet.net
infinitecanvas.appjet.net
To view, hit the Next button in the lower right. You can also go to specific panels by clicking on them, or explore freely by dragging with your mouse and zooming with your mouse's scroll wheel.
Scott McCloud mentions the infinite canvas in his TED talk.
http://www.ted.com/index.php/talks/scott_mccloud_on_comics.h...
has all the software you need to have your own appjet server.