Dual License Model: Future of Open Source?

“I have noticed a trend developing in the business models of
successful open source companies. These companies are implementing
a business model that is based on dual licensing their
software.

“This press release provides an excellent summary of what dual
licensing means.

“The guiding principle behind dual licensing is “quid pro quo,”
or a fair exchange. Under this model, vendors offer their products
under both an open source license and a commercial license…”

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