Downloading Cartographica 1.7 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Education Tools, more precisely Science. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this software for Mac is ClueTrust.
From the developer:
Cartographica is a Geographic Information System (GIS) for your Mac with which you can explore and refine data, create beautiful maps, export information for the web using Google Maps and Google Earth (via our KML Export capabilities).
Merge data from several sources.
You may want to check out more software for Mac, such as LabAssistant, AstroPlanner or ProScope HR, which might be similar to Cartographica.