RISC OS Software RISC OS
http://www.svrsig.org/ software/FamTree.htm

FamTree

This Family Tree generator is available from !Store priced at £15. It will import data from a standard GEDCOM 5.5 file or from a simple directory tree of names, where each sub-directory is a child. It will save the arrangement of boxes as a Draw graphic (export only) or as a 'TreeData' file (which will appear as a Draw graphic in applications that recognise a Draw file from its header and supports OLE) or as a Zip file. It also allows a raw output format similar to 'DiscCat' which facilitates some types of editing and reloading.

The latest version is 1.58 (2nd May 2024) and an example of its output can be seen below in the Shakespear family tree, a GEDCOM file for which is available on-line.