Well, this is totally up to the theme, its author(s), and the licence that the theme should be accompanied by. WordPress itself is published under GPL(v2). A huge amount of themes and plugins is too. Or at least a similar licence (e.g., MIT). But in every case: What counts is what the product is shipped … Read more
The Pinboard theme is in the WordPress theme repository and released under the GPL license, this means that you are free to use and redistribute the theme code. The GPL license gives you…. the freedom to use the software for any purpose, the freedom to change the software to suit your needs, the freedom to … Read more
If you plan on submitting the plugin to the WordPress Repository then it is not technically required but by submitting it you automatically agree that the entire plugin is “considered GPLv2 or later.” – The Plugin Handbook says this in regards to Plugins added to the Repository 1) Your plugin must be compatible with the … Read more
It would be highly atypical for a license to stipulate such power as demanding access to your site, I mean who would trust it? That said there are plenty of malicious code out there, especially if you are getting themes/plugins from shady distribution channels and/or pirated copies. Also if extension supports updates then it does … Read more
The easiest thing I think is to ask wordpress.org if it’s possible that they host your plugin with GPL v3+ compatibility. Probably they say yes. Give it a try, the discussion was very new back in the end of January so points of views might be a bit more settled these days. IMHO there is … Read more
You can find it on the WordPress website, under “License”. It is GPLv2 MySQL is not a part of WordPress, WP simply uses it. Their licenses are unrelated. The license under which the WordPress software is released is the GPLv2 (or later) from the Free Software Foundation. A copy of the license is included with … Read more
A popular choice is the Duel license BOTH GPL AND (non-modified) MIT. The non-modified MIT license is on the list of Compatible licenses though (See:Expat License) Area of jurisdiction: Austria. This is interesting to me, I’m not sure that line violates any license but to me part of Open Source is just giving up some … Read more
Disclaimer: I am not a lawyer. The issue here is the Apache license. You are free to distribute your own work under as many license varients as you want. After all you retain copyright. But if you include other peoples work in the distribution, every license varient you distribute under needs to be compatible. However, … Read more
If you release your plugin with the SWFs embedded, they do in fact need to be released under a GPL-compatible license. This means you need to make the original source for the SWFs available, but not necessarily in the plugin itself. You have two options: The WordPress Way When WordPress includes a third-party tool or … Read more
Short answer: Yes. I’ll go through your question step by step so you can better understand why I write so: I notice that WordPress uses the GPL 2+ license. This depends a bit to which version you are referring. The public available, stable version 3.0.4 is licensed under GPL (no version given). That was not … Read more