uberflip - Organize and Centralize ALL of your Content in minutes
Xmind - Xmind is a brainstorming and mind mapping application.
CoSchedule - CoSchedule is the #1 marketing calendar that helps you stay organized and get sh*t done. Plan, produce, publish and promote your content.
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
Embedly - Embedly helps publishers and consumers manage embed codes from websites and APIs.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.