Mindomo
Flexible and simple to use web-based mind-mapping tool. Create, edit and share mind maps with your friends or team mates.
Features:
- free account: create upto 7 private and an unlimited nr. of public maps
- share maps, collaborate on maps, print maps
- use keyboard shortcuts
- Demo
- import maps from MindManager and FreeMind
- export maps to TXT, MMAP, RTF, PDF, JPG, GIF and PNG formats
Visit: www.mindomo.com



Another one is comapping.com