| Program name | Description | 
|---|---|
| efitch | Fitch-Margoliash and Least-Squares Distance Methods | 
| ekitsch | Fitch-Margoliash method with contemporary tips | 
| eneighbor | Phylogenies from distance matrix by N-J or UPGMA method | 
| ffitch | Fitch-Margoliash and Least-Squares Distance Methods | 
| fkitsch | Fitch-Margoliash method with contemporary tips | 
| fneighbor | Phylogenies from distance matrix by N-J or UPGMA method |