Yep, that is listed as the first item on the comprehensive https://en.wikipedia.org/wiki/Business_models_for_open-source_software https://en.wikipedia.org/wiki/

Yep, that is listed as the first item on the comprehensive https://en.wikipedia.org/wiki/Business_models_for_open-source_software https://en.wikipedia.org/wiki/Business_models_for_open-sourc...