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Displaying posts with tag: andrew lampitt (reset)

What is open core licensing (and what isn’t) UPDATED
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This is an updated version of a post that was originally published in July 2009. It has been updated in response to ongoing confusion about open core licensing.

There has been a significant amount of interest in the open core licensing strategy since Andrew Lampitt articulated it and its benefits for combining open source and closed source licensing.

There remains considerable confusion about …

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On the importance of copyright assignment
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Some weeks ago Luke Kaines stated his observation that “requiring copyright attribution is a greater sin than providing commercial add-ons”.

His perspective was based on the theory that requiring copyright assignment restricts the developer community, a theory that was apparently repeated by Dave Neary during the recent OSBC event (I missed that session due to our CAOS client lunch).

Daniel Chalef of KnowledgeTree …

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Andrew Lampitt defines Open-Core Licensing
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JasperSoft’s business development director Andrew Lampitt has kicked off his new blog with an interesting post related to business models used by open source-related vendors.

In it he attempts to define the approach utilized by the likes of JasperSoft and SugarCRM, which offer open source products with core functionality, as well as commercial extensions. The approach is a twist on the dual licensing approach made famous by MySQL* where the vendor, as copyright holder, makes the code available under both the GNU GPL and a commercial license for …

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