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Open/Closed Software - Approaches to Developing Freemium Applications

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Developing freemium which involves OSS is not a trivial task. From one side, you need to prevent premium code from working in your free modules, and do it gracefully – without errors and performance degradation. From other side, your OSS core must be easily accessible to the premium modules. Partial public availability of the code and unified continuous delivery process for two different versions of the product is also challenging.

In this talk we’ll showcase Artifactory, which successfully combines OSS and Pro versions by heavily relying on flexible dependency injection mechanics, available in Spring. We will talk about developing, building, testing, and releasing hybrid freemium application and will review the existing approaches, discussing pros and cons of each of them.

Photo of Baruch Sadogursky

Baruch Sadogursky


Baruch Sadogursky (a.k.a JBaruch) is the Developer Advocate of JFrog, the creators of Artifactory Binary Repository, the home of Bintray, JavaOne 2011 and 2013 Duke Choice Awards winner.

For a living he hangs out with the JFrog tech leaders, writes some code around Artifactory and Bintray, and then speaks and blogs about all that. He does it repeatedly for the last 10 years and enjoys every moment of it.

Baruch mostly blogs on and His speaker history is on Lanyrd