Freeplane 1.11.4 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Productivity Tools, more precisely Mind-mapping.
We recommend checking the downloaded files with any free antivirus. The most popular versions of the application are 1.3, 1.2 and 1.1. The actual developer of this free Mac application is Volker Börchers, Dimitry Polivaev, Felix Natter. The application's installation file is generally known as freeplane_app-1.1.3.dmg.
From the developer:
Freeplane is an application for mind mapping, knowledge management, and project management. You can develop, organize and communicate your ideas and knowledge in the most effective way.
You may want to check out more Mac applications, such as Docear, which might be related to Freeplane.
Mind mapping