Trying to categorize those ideas and information?

Are you trying to find ways to categorize and sort all of those crazy ideas in your head and all of those vital bits of information that you wish you had written down and put somewhere where it was always easy to find and refer to again? LOOK NO FURTHER!!!

MindMan Personal uses "mind mapping", a powerful graphic technique to represent your ideas and thoughts in two dimensions. A Mind Map has branches and keywords radiating out from a central topic, showing their relative importance and how they are associated. The full range of cortical skills - word, image, number, logic, rhythm, colour and spatial awareness - can be used to enhance a Mind Map, making it more memorable and promoting greater insight, problem-solving or planning. The ability of a Mind Map to give you an overview of the whole picture while still seeing where the details fit in is a huge advance on one-dimensional, linear ways of thinking. Mind Mapping reflects much better how our memory and emotions work by association.

Keynote is a flexible, multi-featured tabbed notebook that you can use to include many separate notes within a single file. This means that you do not need to open several files - for most purposes it is enough to create only one file and hold all your notes inside it. With the addition of the tree-type notes, you now have a three-dimensional notebook: many notes within one file and a multi-level, nested pages within a single note. Keynote's interface and behavior are extremely configurable.
There are more freeware programs available at Tranglos Software.