Gramps - Research, organize and share your family tree with Gramps genealogy software.
Xmind - Xmind is a brainstorming and mind mapping application.
Ancestry - Discover your family history and start your family tree.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
MyHeritage - MyHeritage is a family-oriented social network service and genealogy website.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.