PUBLIC MARKS with tags mindmap & visual

WikiMindMap is a tool to browse easily and efficiently in Wiki content, inspired by the mindmap technique. Wiki pages in large public wiki's, such as wikipedia, have become rich and complex documents. Thus, it is not always straight forward to find the information you are really looking for. This tool aims to support users to get a good structured and easy understandable overview of the topic you are looking for”.

The Visual Thesaurus is an interactive dictionary and thesaurus which creates word maps that blossom with meanings and branch to related words. Its innovative display encourages exploration and learning. You'll understand language in a powerful new way. Using the applet is not free.