The CEO and co-founder of KNIME has published a short piece outlining their Open Source business model. The software itself deals with data science and data analytics and the no-charge part allows you to develop and test multiple models to deal with data. Trying different things to see which works. You can then purchase licenses and support for the business size you need if you want to productionise the results which opens the data up to others in your business. Or you could continue to run as individual silos and support everything yourself if needed.