Price Software / Web-based Platform Free Trial Collaborative Working
MindManager $349 PC / $129 Mac / $10 per month for Web Software and Web-based (MindManager Web) Win / Mac 30 days PC / 21 days Mac / 30 days Web
YES
iMindMap $99 Software Win / Mac 7 days
NO
Kidspiration $69 Software Win / Mac 30 days
NO
Freemind Free Software Win / Mac / Linux N/A
NO
Topicscape $49.99 Software Win 30 days
NO
Personalbrain Free Software Win / Mac / Linux N/A
NO
bubbl.us Free Web-based N/A N/A
YES
mind42 Free Web-based N/A N/A
YES
MindMeister Free Web-based N/A N/A
YES
Mapul $7 month Web-based N/A
YES
NO
Mindomo Free Web-based N/A N/A
NO
Gliffy Free Web-based N/A 30 days
NO
Xmind Free (version pro 6 USD/month) Software Win N/A
YES
NovaMind $49 / $149 / $249 Software Win / Mac 30 days.
NO, but has a variety of export formats which could be editable collaboratively.
Seavus DropMind *http://dropmind.com* Free (Beta) Desktop and Web-based solution Desktop:
Win / Mac (coming soon) / Linux (coming soon)

Web:
Silverlight Compatible Operating Systems and Browsers
N/A
YES
visit:Mind Mapping Tools