Bubbl.us – a visual brainstorming tool.
The Outliner of Giants – A brainstorming and planning tool that you can collaborate on
with your goal team or coach. Access your outlines on a range of different devices
including desktop PCs running Mac OSX, Windows, Linux, Chrome, Android and iOS.
Yommoo – Here is a way to brainstorm with sticky notes, without having to leave the
computer.