Xmind - Xmind is a brainstorming and mind mapping application.
Whereby (formerly appear.in) - Collaborate from anywhere - video meetings with no downloads
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
Around.co - Around.co is an app that provides video calls to remote teams all around the world.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Remote Meeting - Remote Meeting with Video, Voice, Chat and Screen Sharing