As an ODI we cannot promote non-open-source applications it’s part of our philosophy of Openness and Independence.
Here are some fundamentals are guiding principles:
Sometimes we do use proprietary software and this mix is going to be around for various reasons. Where-ever possible we do try to ensure that these companies have a ‘social’ component that offers services for non-for-profits which offers the full suite without a cost. Tableau and DataWrapper do, as does Mapbox. We have previously moved away from some applications because they do not off these services - such as Carto, ArcGIS and to an extent that we still use some is because of legacy. i.e. many had free terms and then changed these policies at a later date.
Visualization and infographics