http://www.mindmeister.com/
  • MindMeister is an online mind mapping software that allowed users to visualize their thinking using the proven mind mapping method.

https://bubbl.us/
  • Bubbl.us is a tool that enables users to create mind mapping and brainstorming diagrams online. To begin, the main topic/concept is entered in to the parent bubble. Then ideas and thoughts are recorded in colorful text bubbles linked to the parent bubble. The site is simple and easy to use. The application is Flash-based so the latest Flash viewer needs to be installed.

http://www.prezi.com
  • Prezi is a cloud-based presentation software that opens up a new world between whiteboards and slides. The zoomable canvas makes it fun to explore ideas and the connections between them. The result: visually captivating presentations that lead your audience down a path of discovery.