Freeplane is a free and open source software application for building mind maps. Freeplane supports thinking, sharing information and getting things done at work, in school and at home. The core of the software is tools for mind mapping (also known as concept mapping or information mapping) and using mapped information.
It is a redesigned version of the well known FreeMind, and is created by one of FreeMind's key developers. The software is written in Java, and supports any platform capable of running current versions of Java.Freeplane is available in several different languages.The currently available translations are: Dutch, English, French, German, Spanish, Italian, Japanese, Russian, Croatian and Polish. Make sure you have installed a recent version of Java, 1.5 or above.