A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Licensing refers to applying a license to an area of software. Only use this tag if your question concerns the application of a license to an area of interest. If your question concerns a specific lic…
The GNU's General Public License, a commonly-used free software license. The GPL has various versions, v1-v3, so use this tag only for questions talking about overarching issues of the licenses or sha…
910 questions
for questions pertaining to the MIT/Expat license or the MIT/X11 license.
The General Public License, offered by GNU. Use this tag if the question involves version 3 of the license.
404 questions
License compatibility is the comparison of two or more licenses to determine if certain usages and actions can be made. Use this tag if the question would like to determine the compatibility of licens…
389 questions
For questions asking the community to recommend a particular license that meets criteria provided by the future licensor. Any question that seeks to have an open license is allowed, even if the criter…
328 questions
on questions about the copyrighting process and principles. Questions solely pertaining to general copyright are off topic.
The Apache 2.0 license is a license created by the Apache Software Foundation. Use this tag when the item in question relates to this license.
309 questions
for questions about the GNU Lesser General Public License, how to apply it, or how to re-use works under this license
296 questions
Commercial activity is anything to make money. This tag is for questions about making money with Open Source / Free Software, or other interaction between open projects and commercial activity. War…
233 questions
GitHub is a web-based Git repository hosting service, which offers free accounts for FLOSS software projects. Use this tag for questions about how working with GitHub affects open source projects.
231 questions
used for concerns about licenses to software and what rights one grants.
For questions about the content and placement of license, copyright, and disclaimers
Questions about GNU General Public License Version 2.
217 questions
For questions about works that derive their core from another open work.
207 questions
For questions about the GNU Affero General Public License (AGPL)
196 questions
for the BSD family of permissive open-source licenses. Use on questions about them; their origins, use, and design.
176 questions
For questions about the legal aspects of open source. Questions asking for legal advice are off-topic. You should consider mentioning the relevant legal jurisdiction in your question.
169 questions
For questions about the Creative Commons licenses and the organization behind them. There are many Creative Commons licenses, so if you are asking a question about a specific license be sure to state …
164 questions
For questions about works whose authors retain the ability to control derivates or distribution as given to them by copyright law
162 questions
For questions about the copyleft concept (also known as Share-Alike), a concept that promotes or enforces the use of the same or compatible license for derived works.
160 questions
Questions about changing the license of a work which has already been published under a different license (or published under all-rights-reserved copyright)
156 questions
if the question concerns the distribution of an object, package or notice to the developer or public community.
142 questions
Questions about how to correctly attribute the authors of works in derived works
130 questions
For questions about the Creative Commons Attribution-ShareAlike (CC BY-SA) licenses.
117 questions
For questions about software in an open-source context; its uses and limitations.
Source Code is a human-readable collection of instructions in a programming language used to produce a computer program.
112 questions
Works can be released under two (or more) licenses, which may or may not be compatible, giving recipients the choice of which terms they will abide by
95 questions
For questions about contributors, and their resources and conditions. Use the collaboration tag if your question is specific to interaction between contributors.
94 questions
For questions about closed-source software and how it relates to open source.
86 questions
for questions about the definition of open source
84 questions
Topics centered around the application of legal licenses to creative works displayed or offered for use primarily in the form of a web page or site via the use of a browser application. Best practices…
83 questions
For questions about the Mozilla Public License (MPL), a license created and maintained by the Mozilla Foundation.
76 questions
Questions about or relating to the Java language, platform or virtual machine. See the JVM (Java Virtual Machine).
71 questions
For questions about the legal documents covering contributions from outside a project's core team.
67 questions
for questions about creating either a private or competing version of an existing open project.
67 questions
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