DensiTree: making sense of sets of trees.
To get the latest release, download DensiTree.v2.X.X.jar from https://github.com/rbouckaert/DensiTree/releases/
Double click to start.
Note, DensiTree requires Java 8, available from http://java.com
For documentation and examples, have a look here: https://www.cs.auckland.ac.nz/~remco/DensiTree/