Xmind - Xmind is a brainstorming and mind mapping application.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
Flow - Stop managing projects from your inbox.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Otto - Otto is a full-service advertising, web development, and public relations agency.