MySQL didn't invent the dual-licensing biz model
Posted Jun 29, 2006 6:21 UTC (Thu) by JoeBuck
Parent article: The birth of the open source enterprise stack
Aladdin was doing it with Ghostscript earlier on, as was Cygnus with Cygwin (that is, allow use in proprietary software products in exchange for money, but give the world a free one under the GPL).
Russ Nelson's Crynwr also used dual licensing, with the slogan "When I write proprietary software I want to get paid".
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