What the title says
Am I allowed to create a JAR file using Greenfoot and sell it online? Or is it not allowed?
GrowDot wrote ...
2020/9/27
Are you allowed to make a Greenfoot app for commercial use
No, u won't be allowed to take or give certain amount of money.
Its only used for making scenarios(free of cost) and for learning java
And also you can make friends in this website
according to the Greenfoot tutorial
No part of the Greenfoot system or its documentation may be sold for profit
This means you can't sell the Greenfoot app or its included classes.
I think however it's acceptable to sell your own project since it's your code. I could be wrong about this, perhaps a member of the Greenfoot team could answer this question better?
I think that tutorial is back from a time before Greenfoot was open source. Greenfoot is released under GPLv2 with classpath exception. What this means is you must either publish your app GPLv2 (which practically speaking means you would struggle to sell it) or you must package it in such a way that the Greenfoot JAR could be swapped out for a different version (this is a simple litmus test of what the GPLv2 requires of you). The latter isn't too hard, you'd just ship your JAR alongside the Greenfoot JAR, and you wouldn't then be required to release the source for your scenario.
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