NEW (may 2015): web map services for these beautiful Dutch topographic maps from now and then. See www.map5.nl...
Building GPS tracking apps already back in 2005. This resulted in several advanced and exciting/fun projects like tracking the Schuttevaer Sailing Race in 2008 in collaboration with GeoSports.
Sensor Web and Internet of Things
Now (2014) working on the SOS Pilot with Geonovum, RIVM and 52North. This is about unlocking Dutch Air Quality data using the OGC Sensor Web and its standards like WMS-Time, WFS and SOS. Providing solutions with the Heron Viewer and Stetl.
December 2011 - OSGeo Dutch Chapter established
At the GIN-conference in Utrecht we decided that now was the time to establish a Dutch Language Local OSGeo Chapter. This was the beginning of the OSGeo.nl Foundation legally established in 2013.
OpenTopo maps by Jan Willem van Aalst
Proud to contribute to these maps made with OpenStreetMap and Dutch Open Data like Top10NL and BAG. Data transformation with NLExtract and Stetl and helped organizing OpenTopo workshops with OSGeo.nl.