Sectograph - Sectograph app enables you to create a visual event tracker to keep track of all your upcoming events and due tasks right from the home screen.

Xmind - Xmind is a brainstorming and mind mapping application.

Dreamie Planner - Dreamie Planner app contains a built-in diary through which users can write important details about their daily tasks and can send the content of the diary to their friends and colleagues.

MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.

Cozi - Cozi | Must-have app for the modern family

MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.