There are other business models for open-source projects than the freemium/enterprise model mentioned in this article. For example, offering service and support can sustain an open-source company. Here is a broader list:<p><a href="https://en.m.wikipedia.org/wiki/Business_models_for_open-source_software" rel="nofollow">https://en.m.wikipedia.org/wiki/Business_models_for_open-sou...</a>