All Open Source Software is Commercial 

Eric Barroca after reading Dirk Riehle‘s slides about “The Commercial Open Source Business Model” wrote an inspiring blog post, receiving a number of interesting feedback from the business open source folk.

Let me start by recommending Dirk’s presentation, it really worths reading, but beware of his definition of  “commercial open source”:

Commercial open source software projects are open source software projects that are owned by a single firm that derives a direct and significant revenue stream from the software.

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