<img src="http://images.path.com.s3.amazonaws.com/photos2/2250cd42-3742-4c7f-b212-06a9b0828318/original.jpg" />
Example of research mindmap using VUE (free and opensource). You could even make a presentation directly from this map.
View on <a href="https://path.com/p/2c1nh4">Path</a>