AhnConvert
Converts .ahn files into comma-separated .txt and GEDCOM 5.5.1 files
...Especially in Germany this tool penetrated the market to some extent. Generating a project and filling in all relatives and ancestors resulted in an .ahn file. Unfortunatelly, this format cannot be imported by any of the current genealogy software. On the other side, GEDCOM can be read without problems by most of today's programs.