Xmind - Xmind is a brainstorming and mind mapping application.
V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
Adobe Audience Manager - Adobe Audience Manager is a data management platform that integrates online and offline data to deliver a unified view of all your audiences
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Google Audience Center - 3 votes and 6 comments so far on Reddit