Visual Understanding Environment - Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool.
Mindmapper - Be more creative and get more done. Process your thoughts with a mind map and implement with a planner.
Flying Logic - Highly visual software for planning support used by strategists, process improvement specialists, teachers, and writers. Windows, Mac OS X, and Linux.
GoConqr Mind Map - GoConqr Mind Map is a free to use web based mind mapping program that allow its users to effortlessly visualize the plot for presentation of complex ideas and information in a more systemized way.
ThinkComposer - Software for create adaptable and multilevel diagrams, concept maps, mind maps and models
miMind by CryptoBees LLC - A multi-purpose, cross-platform, mind mapping software