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Remove usage restriction to comply with GPL

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Discussion at #2541
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Scott Lahteine 2015-07-28 18:51:20 -07:00 committed by Richard Wackerbarth
parent 3c1653207c
commit 22b9fd97b2
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@ -51,7 +51,8 @@ More features have been added by:
## License
Marlin is published under the [GPL license](/Documentation/COPYING.md) because We believe in open development.
Do not use this code in products (3D printers, CNC etc) that are closed source or are crippled by a patent.
Marlin is published under the [GPL license](/Documentation/COPYING.md) because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
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