Conzilla : Conzilla2 - our second generation concept browser - is a knowledge management tool with many purposes.
Visual Understanding Environment : The Visual Understanding Environment (VUE) is an Open Source project based at Tufts University. The VUE project is focused on creating flexible tools ...
Five Filters : Explore the world of non-corporate news and analysis. Our web apps make online content more accessible
Mind42 : Collaborative mind mapping in your browser
WikkaWiki : WikkaWiki is a flexible, standards-compliant and lightweight wiki engine written in PHP, which uses MySQL to store pages.
FreeMind is a premier free mind-mapping software written in Java.
