Walk the web, Very interesting web application: enter a URL and it will show you a treemap of related links, a preview along with commenting, voting, add tags...
GrOWL is the Ecoinformatics Collaboratory's answer to the need of intuitive knowledge visualization and editing tools. GrOWL is open source, written in Java, and it can be downloaded in the download section of this site.
Gnod is an experiment in the field of artificial intelligence., it's a dynamic visual mapping of Books, music, movies and people where the closer each item is the similar.
Clusters search results. It presents a diagram of themes within the results, from which the user can select one or all results. Options to search Australian sites only or the full Web.