Disclaimer: I’m not a lawyer, so this isn’t legal advice. Yes, you can include MIT licensed code in something you sell. The MIT license is very permissive. From the license: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in … Read more
I would normally not answer, but since I answered your other question once please allow me to. If you check the MIT licensing model you may read: MIT licensed software can be integrated into GPL software, but not the other way around. Since WordPress themes and plugins should be GPLv2 I would say it is … Read more
In my opinion this is impossible, while keeping plugin GPL-compatible (which is considered cultural norm for WP extensions, legal claims aside for now). Much of open source licensing in general is to accommodate concept of derivative work. That is for it to really be open source other should be allowed to change it. If they … Read more
Yes, Symfony components are licensed under MIT these days. They are compatible with GPL, which is a requirement of the official WP repository. Do note that as number of plugins using common PHP components is increasing, so does possibility of version and other conflicts between them. Since WP lacks dependency management, at some point you … Read more
License Compatibility As a recent commenter pointed out on my site, it should be possible to distribute a plug-in that’s not GPL so long as you don’t distribute it with WordPress. However, the guys at WP.org have pointed out time and again that only GPL-compatible plug-ins must be compatible with version 2 of the GPL. … Read more
Yes. The GNU General Public License explicitly allows for charging for redistribution (which you’re not actually doing in this case): You may charge a fee for the physical act of transferring a copy… …and explicitly allows for unlimited usage rights: Activities other than copying, distribution and modification are not covered by this License; they are … Read more
What about Anything Slider? I think it’s open source. https://github.com/CSS-Tricks/AnythingSlider
I‘m not a lawyer but a plugin developer. As far as I know you ca republish any GPL code. The only thing you should do first is try to reach the author in the forum have a look at the plugin files, maybe there’s an email address where you can try to reach out to … Read more
In my understanding (and I’m not a lawyer, etc etc), this would not count as distribution. I make this distinction mainly based on the fact that a separate GPL-flavoured license actually exists where this would count as distribution – the GNU Affero General Public License. GitHub’s choosealicense.com states: GNU AGPLv3 is distinguished from GNU GPLv3 … Read more
Best way to maintain and update 3rd-party WP plugin when developer is unresponsive?