The AIM of the site is:
The Geographic Information Systems Stack Exchange is for questions concerning geographic information systems and science. We welcome cartographers, database administrators, geographers, programmers, and anyone interested in or using GIS.
http://gis.stackexchange.com/faqhttps://gis.stackexchange.com/faq
Most users only have access to a specific GIS software platform. Hence the specific software is basing their question. Tags are used to filter your own favourites.
Yes there are a lot of ArcGIS/AutoCAD users - they are the biggest group(s) of users.
QGIS is gaining popularity as it matures and becomes more user friendly and customisable.
Concepts on GIS techniques are discussed.
Example: What are the geometric principles and GIS techniques that I can use to generate a postcode coverage of my city at street scales?What are the geometric principles and GIS techniques that I can use to generate a postcode coverage of my city at street scales?
