Minzel - Minzel is a beautiful and free mindmapping tool built for creatives and gives you the power to...
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!
Mindmaps.app - Mindmaps.app is a browser-based mind mapping software that you can use to generate well-ordered mind maps.
MindNet - MindNet is an effective productivity and learning tool that allows you to take notes, write down ideas, learn, brainstorm your mind, and much more in intuitive graphical mind maps.
textografo - Online diagramming application which generate diagrams based on text and allows real time...
BigHairyGoal - Get your ideas down and get insights on them.