Think Machine is described as 'Powerful mind mapping tool designed for visualizing complex information. Unlike other apps limited to simple connections, it excels at handling highly connected data with professional-grade tools' and is a Mind Mapping tool in the office & productivity category. There are more than 25 alternatives to Think Machine, not only websites but also apps for a variety of platforms, including Windows, Mac, Android and iPhone apps. The best Think Machine alternative is Xmind, which is free. Other great sites and apps similar to Think Machine are Miro, DeepNotes, Lucidchart and MindMeister.