bubbl.us

=Bubble.us =

Bubble.us is a simple and free web application that lets you brainstorm online. So why use bubbl.us? Because you can:
 * Create colorful mind maps online
 * Share and work with friends
 * Embed your mind map in your blog or website
 * Email and print your mind map
 * Save your mind map as an image

Here is a sample web: