How would you like to create a drawing, using online tools, but you also need collaborative help? Now you can with CoSketch, and no account needed for the basics. Click on the Start Here Button, and begin exploring. Send the URL of the drawing window to another user for collaboration.
You can add pens, arrows, shapes, text, and images to your drawing. You can interface with Google Maps. There is even a chat window for all those in your drawing session. The finished sketch can be embedded to other entities such as blog posts or webpages.