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In the past I have used ExtJS 4 for several projects. Can we download and use ExtJS 5 for a not commercial project for free? I see in their website there is no free version but I thought that they have a GPL license.

Tarabass
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user1919
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    Although this question isn't a great fit for SO, see [this page](https://www.sencha.com/legal/gpl/) (and make sure you understand the licensing terms). – Phylogenesis Oct 20 '15 at 12:36
  • This question appears to be off topic? What about this one: http://stackoverflow.com/questions/1298621/is-extjs-open-source Seriously you seem a bit confused lately guys. How this: "Questions asking us to recommend or find a book, tool, software library, tutorial or other off-site resource are off-topic for Stack Overflow" relates to my question? Did I ask you to recommend or to find anything? – user1919 Oct 21 '15 at 06:40

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Sencha does provide a GPL-licensed version of ExtJS. However, you must abide by the linked licensing terms. Based on your question details, writing a closed source, commercial product would directly violate these terms:

  • If you create software that uses GPL, you must release your source code (see GPL FAQ), and
  • If you start with a GPL license, you cannot convert to a commercial license simply by purchasing one.

You cannot include Sencha Ext JS or Sencha GXT in a closed source distribution under this license.

On that same page, it says:

If you choose to pay for a Commercial License, you are not required to disclose your source code.

If you choose to purchase the commercial license, you are required to purchase 5 developer licenses minimum.

More helpful Sencha licensing information

onebree
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  • To be fair, there's no indication in the question that states they are intending to keep it closed-source. (It just says non-commercial) – Phylogenesis Oct 20 '15 at 12:49
  • @Phylogenesis you are right. Whenever I think of commercial, I immediately think of closed source. I did link to licensing information, which links to the specific GPL license they are using. – onebree Oct 20 '15 at 12:51
  • This question appears to be off topic? What about this one: stackoverflow.com/questions/1298621/is-extjs-open-source Seriously you seem a bit confused lately guys. How this: "Questions asking us to recommend or find a book, tool, software library, tutorial or other off-site resource are off-topic for Stack Overflow" relates to my question? Did I ask you to recommend or to find anything? – user1919 Oct 21 '15 at 06:42
  • @dkar Although I did see the question as not typical of SO, I was able to find the answer quickly enough for you. – onebree Oct 21 '15 at 12:10
  • @Hunter Stevens tell me please how this question: stackoverflow.com/questions/1298621/is-extjs-open-source gets upvoted and how my question gets downvoted. I am not looking for any free points here but you have to admit that this is at least awkward. – user1919 Oct 21 '15 at 14:31
  • @dkar You cannot compare your question to one from _six years ago_. Much has changed about guidelines since then. Like I said, I agree with the votes to close, but I felt that this was simple enough to answer. Furthermore, if you read, the old question was closed June 2015. – onebree Oct 21 '15 at 17:24
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    oh well. who cares about the digital world and the points of it. We only live once. – user1919 Oct 21 '15 at 21:53