No specific info about version 4.6. Please visit the main page of Seaview on Mac Informer.
It can process a set of trees in a PHYLIP or NEXUS format tree file.
raxmlGUI is a graphical front-end for phylogenetic analyses using RAxML.
TreeView X is an open source program to display phylogenetic trees.
Nexus 7010 Simulator allows you to go through all the labs in the book.
GARLI performs heuristic phylogenetic searches under the GTR model.