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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• ONLamp: Open Source Business Models--What Works and What Does Not?(Sep 07, 2005)