Mind Pad!

The Visual Understanding Environment or VUE is a free, open source concept mapping application written in Java.

This software empowers users to construct, navigate, share, and criticize knowledge models represented as Concept Maps. The toolkit is platform independent and network enabled, allowing the users to build, and collaborate during the construction of concept maps with colleagues anywhere on the network, as well as, share and navigate through others models distributed on servers throughout Internet.

Compendium is a software tool providing a flexible visual interface for managing the connections between information and ideas.

NodeMind is powerful, reliable and ergonomic tool for visualization and design. With the help of this program you are able to create schemes and mind maps, plan events, generate new ideas, exchange information structures, carry out decision synthesis, manage projects and hold on presentation

Inspiration K-12 supports visual thinking techniques, enabling students to easily create and update graphic organizers, concept maps, idea maps and other ...

Personal Memory Manager helps you spin-off from the top: manage your own knowledge and ideas. When you write a diary or weblog, study for an exam, work on a research paper, scenario or book, you can create or import your notes into PMM and map them out like sticky or yellow notes on one or many whiteboards (one for each aspect). You model and construct one integrated "body of knowledge" representing your mind. At any moment and from any bit, you can recollect and visualize the whole information architecture surrounding it, as context, and improve on or learn from it! »

A concept map or conceptual diagram is a diagram that depicts suggested relationships between concepts. It is a graphical tool is used to organise and structure knowledge.