Minzel - Minzel is a beautiful and free mindmapping tool built for creatives and gives you the power to...
Xmind - Xmind is a brainstorming and mind mapping application.
TiddlyMap - An interactive concept- and mind-mapping plugin for the personal note-taking software TiddlyWiki based on the Vis.js library. It's free and open-source!
Visual Understanding Environment - Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool.
Wisdomap - Wisdomap Medicine is a study aid that helps medical students create differential diagnoses and suitable management plans from a presenting complaint and structured revision notes.
FreeMind - FreeMind is a premier free mind-mapping software written in Java.