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Xmind - Xmind is a brainstorming and mind mapping application.
ClickMeeting - Collaborate with partners and clients using ClickMeeting professional web conferencing software. Try it now, FREE!
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Adobe Connect - Adobe Connect web conferencing software service offers online meetings for collaboration, virtual classrooms and more.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.