Cognatio 1.4.3

What is Cognatio?

Cognatio is a modern application for genealogical research and presentation. It is based on one of the most advanced data models of any genealogy application.

Cognatio comes in two versions: The Light Edition is free. To unlock the additional functionality of the Standard Edition, you need a license key. A license key can be bought directly from the application itself for $25 (+VAT if applicable).

The Standard Edition is free for everyone who has previously bought a Cognatio license.

Download Cognatio 1.4.3
What's new
How to upgrade

Mailing list

If you wish to receive news on Cognatio, please send an empty email to


Download Cognatio here:

Ulrich Thoma has translated Cognatio into German. German language files are available for the following versions:

If you want to run Cognatio in German, download the corresponding language file, unzip it and put it in the Cognatio application folder (usually "C:\Program Files\Cognatio 1.4.3"). Then start Cognatio and select Tools / Language.

Ulrich Thoma has also created additional reports that may be downloaded and unzipped in the application folder or wherever you want to keep them. You may access the additional reports from Cognatio by selecting Report / All Reports.

Some presentations will be available in the future. So far only one presentation is available:


If you have problems using cognatio, please send an email to

Tips and wishes for improvement are also very welcome.

Copyright (C) 2010 Christoffer Owe