Dato - Better menu bar clock with calendar and time zones
Xmind - Xmind is a brainstorming and mind mapping application.
Clocker - Keep track of people in different time zones
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Clock mini - Simple clock app in the Dock
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.