GDi and Esri
Esri is the World leader in Geographic Information Systems (GIS) and offers a complete platform for mapping, analysis, data management and collaboration. All GDi products and solutions are built using Esri technology. We are an official Esri distributor and have successfully worked together since 1989.
ArcGIS for Personal Use / ArcGIS for Student Use
For personal and non-commercial use, Esri offers a couple of great products, namely ArcGIS for Personal Use and ArcGIS for Student Use. These will accelerate your own personal and professional development and enable you to learn essential technical skills.