MacClade
is a computer program for phylogenetic analysis written by David
Maddison and Wayne Maddison. Its analytical strength is in studies
of character evolution. It also provides many tools for entering
and editing data and phylogenies, and for producing tree diagrams
and charts.
MacClade 4.08 is available
MacClade 4.08 is available, including a version for MacOS
X. Check out the MacClade Updater
page for more information.

MacClade 4's tree window in MacOS X

MacClade 4's data editor in MacOS X
Features
Downloads
Support
If you have MacClade 3, but not MacClade 4, and wish to see bug
reports, updates to version 3.08, etc., see: