CoSketch.com - Online Whiteboard Collaboration CoSketch is a multi-user online whiteboard designed to give you the ability to quickly visualize and share your ideas as images. Anything you paint will instantly show up for all other connected users. -One click to save an image permanently (bb- and html-codes automaticly generated for simple posting on forums or on your blog). in Public bookmarkswith chatcollaboratedrawfunliveonlineby 2 users