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For questions about closed-source software and how it relates to open source.

24 votes
Accepted

Can I use a Apache v2 licensed driver for a commercial project without revealing sources of ...

To my understanding, if I modify the library, I need to give the source of the library with the changes highlighted. No, you have no such obligation. The Apache 2.0 license does not contain any copy …
apsillers's user avatar
  • 37.7k
10 votes
Accepted

Is there any recourse when an "Open Source" project has a closed-source core?

Is this even really Open Source software? The parts that have source code available and are licensed under an open source license are open source software, according to the OSI. The parts t …
apsillers's user avatar
  • 37.7k
9 votes
Accepted

License to disallow distribution in closed source software, but allow exceptions made by owner?

The practice of selling exceptions to the GPL is perfectly commonplace, but you must either be the sole copyright holder, or else have prior permission from all other copyright holders. In order to ac …
apsillers's user avatar
  • 37.7k
8 votes
Accepted

If I use a mobile app that fetches data from a website under GPLv2+ is the app also under GPL?

The license of an application and the license of data that application produces can be independent, and are only interrelated if the data includes executable code from the executable itself: Is there …
apsillers's user avatar
  • 37.7k
6 votes
Accepted

Can I use an unmerged pull request to an Apache 2.0 project in my proprietary fork?

Not only do GitHub's terms of service codify that the submission would be covered under the Apache 2 license, so too does the Apache 2 license itself: "Contribution" shall mean any work of authorship …
apsillers's user avatar
  • 37.7k
5 votes
Accepted

Can I change my project's license before release?

You need not change your project's license because your project does not have a license. A license is a legal granting of rights between two people (or other legal entities). If there is only one part …
apsillers's user avatar
  • 37.7k
2 votes

Releasing code containing MIT library using all right reserved license?

You must retain the notice and make it clear (at least by the name of the library) which code the MIT license terms apply to. You do not need to make the MIT license terms apply to the software as a w …
apsillers's user avatar
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