GIS is part of almost every project you are going to make in hydrogeology, geology and others engineering fields. In order to help you to choose the best GIS software for you we are sharing this comparison between two I think the most commonly used GIS software – QGIS and ArcGis.
If you click on this link you can find an article about 27 differences between ArcGis and QGIS.
We have long time experience in teaching GIS with both softwares (QGIS and ArcGis) and if you are interested to expand knowledge of you or your staff members just reply to this email, advancedgwt@gmail.com, for more info on our online 1 on 1 courses for GIS