I have noticed a couple of questions related to open-source software. I think it would be a good idea to create the tag for easier categorisation. I am aware that there are special tags for open-source programs, but I think it would be good to group all of them together.

I think would do fine, but if you think something else would be better, please leave an answer. (Also leave an answer if you disagree.)

  • $\begingroup$ I thought that early on we did have an open-source tag (I seem to remember it in the earliest days). Perhaps someone manually moved everything into software when there was that push to combine things like "functionals", "meta-gga", into "density-functional-theory" ? $\endgroup$ May 20, 2020 at 2:07

2 Answers 2


Thanks to Tyberius, we now have 7 questions in the tag.

I felt indifferent about having a tag for open-source-software, because there was already the software tag, and I couldn't see myself subscribing to a separate tag for open-source-software or commercial-software or free proprietary-freeware. But if it helps others, I don't see much harm in having the tag.

Furthermore, now that we have 7 threads in the open-source tag, we're able to see something that wasn't brought up in the question: this tag can also be applied for open-source databases or open-sorce information in general (not just software), so perhaps more people will use this tag than I originally thought.


I think that tags should represent the question subject itself, not something related to the question.

I mean, if I have a question about a package error, this have nothing to do with the type of license the package have (even if the package IS open-source). On the other hand, if I want to release a package/script and don't know what type of license to use, the tags looks appropriated.

  • $\begingroup$ In the same spirit, we must get rid of software then, I guess. $\endgroup$ May 25, 2020 at 13:47
  • 1
    $\begingroup$ For me, it's quite different: you can have a question about theory or a question about a particular issue with a package. $\endgroup$
    – Camps Mod
    May 25, 2020 at 13:54
  • $\begingroup$ I'm sorry, but I don't understand that. The usage of software says For questions about materials modeling software. Questions can be about usage or recommendations. What does this have to do with theory? The current usage of open-source says For questions seeking open source software or databases to solve a modeling problem. These uses are basically identical, only with a slightly different target. $\endgroup$ May 25, 2020 at 13:59
  • $\begingroup$ I don't think the open source tag would be applied to a question just because the software being asked about it open source. Rather, I picture it being used for software/database recommendations where the user is indifferent to the program to use besides wanting to avoid licensing fees or the inability to use the program for specific purposes. $\endgroup$
    – Tyberius Mod
    May 25, 2020 at 15:39

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