FreeMind Viewer is described as 'A simple viewer/editor for v (.mm) files. Suitable for small devices since it displays the mind map as lists instead of as a tree'* and is a Mind Mapping tool in the office & productivity category. There are three alternatives to FreeMind Viewer for a variety of platforms, including Android, Android Tablet, Mac, Windows and iPad. The best alternative is SimpleMind, which is free. Other great apps like FreeMind Viewer are Focusplan and Freemind Reader.