.GCT file extension

This is the basic program to work with .GCT extension

Genbox Family History

Genbox Family History Genbox Chart

Genbox Family History is a full set of genealogy tools that every professional genealogist could want, it is easy to use and offers a complete entry system for adding individuals and their information to the family tree. With Genbox Family History you can collect, organize and review your family history information... (more)

The program works with the following extensions: gdb, gco, gct and gxo