Concept mapping software

FreeMind is a free mind mapping application written in Java, which is further developed by the fork Freeplane. FreeMind itself was last updated in 2014. FreeMind is licensed under the GNU General Public License Version 2. It provides extensive export capabilities. It runs on Microsoft Windows, Linux, and macOS via the Java Runtime Environment.

Freeplane is a free, open source software application for creating mind maps (diagrams of connections between ideas), and electronic outlines. Written in Java, it is supported on Windows, Mac OS X and Linux, and is licensed under the GNU GPL version "2 or later".

GitMind is a web-based mind mapping and diagramming application developed by WANGXU TECHNOLOGY (HK) CO., LIMITED, launched in 2019. GitMind supports the creation of visual diagrams such as mind maps, flowcharts, UML diagrams, organizational charts, Ishikawa diagrams, and entity–relationship diagrams.