CGI Perl script together with some Perl modules that will create views of a family tree from a supplied data file. GPL

XHTML Family Tree Generator 2.3.3
The data file is either a simple text, an Excel, or GEDCOM file listing the family members, parents, and other details. It is possible to show a tree of ancestors and descendants for any person, showing any number of generations. Other facilities are provided for showing email directories, birthday reminders, facehall, and more. It has a simple configuration, makes heavy use of CGI (and other CPAN modules), generates valid XHTML, and has support for Unicode and multiple languages.