The paper was a presentation held by the author at the Opening Session of 15. GISopen conference in Székesfehérvár. The first part of the presentation was an appreciation of GISopen conferences. Than an overview was given about the most important tendencies of geoinformatics in the last 15 years. The author made an attempt to make a forecast of the tendencies in the future. In the overview and in
... [Show full abstract] the forecast the HW, the SW technologies and their fields of application were discussed. The evolution from GIS to GIScience was presented too.