repertory.org Homeopathic Software for Windows and Macintosh

 ReferenceWorks Pro in contrast to Classic has all functions and features available to the user.
See a feature comparison here.  Broadly speaking the Pro version allows access to the Family Graphs, lets you edit families, design your own graphs, edit and design analysis strategies and to add your own text, create custom limits to any window, like the search window or materia medica window etc., institute searches directly from MacRepertory.