Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
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!
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
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.