Xmind - Xmind is a brainstorming and mind mapping application.
InboxVudu - Spend 90% less time on e-mail.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
ArticleBunny - Get fast, professional articles at an affordable price
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Mailbutler - Mailbutler adds lacking functionality to email clients and increases your productivity