Clara - Clara is a virtual employee that schedules your meetings, getting you to the work that matters, faster.
Xmind - Xmind is a brainstorming and mind mapping application.
Mia - Virtual assistant for meetings
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Mastermind Manager - Software for running mastermind groups
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.