Download vym - view your mind for free. VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts. Such maps can help you to improve your creativity and effectivity.

Download Freeplane for free. Application for Mind Mapping, Knowledge and Project Management. Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

Download FreeMind for free. A premier mind-mapping software written in Java. A mind mapper, and at the same time an easy-to-operate hierarchical editor with strong emphasis on folding. These two are not really two different things, just two different descriptions of a single application.