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What can be packaged
Not everything can be packaged in Fedora. Most things considered to be "free software" or "open source software" are permitted, but definitions of these are not always consistent and Fedora has a few specific requirements and exceptions. This is an overview of some specific requirements and exceptions, but it is not intended to be exhaustive. If questions arise, the {packaging-committee} and the {legal-team} are the primary places to receive answers.
Legal Issues
Some software (or in some cases, portions of that software) cannot be packaged for legal reasons. This includes issues related to licensing, patents, trademark law, etc.
See the following pages for various examples.
https://fedoraproject.org/wiki/Legal:Main
https://fedoraproject.org/wiki/Legal:Licenses
https://fedoraproject.org/wiki/Forbidden_items
Impermissible Content
It is important to make distinction between computer executable code and content. While code is permitted (assuming, of course, that it has an open source compatible license, is not legally questionable, etc.), only some kinds of content are permissible.
The rule is this:
If the content enhances the OS user experience, then the content is OK to be packaged in Fedora. This means, for example, that things like: fonts, themes, clipart, and wallpaper are OK.
Content still has to be reviewed for inclusion. It must have an open source compatible license, must not be legally questionable. In addition, there are several additional restrictions for content:
Content must not be pornographic, or contain nudity, whether animated, simulated, or photographed. There are better places on the Internet to get porn.
Content should not be offensive, discriminatory, or derogatory. If you're not sure if a piece of content is one of these things, it probably is.
All content is subject to review by FESCo, who has the final say on whether or not it can be included.
Some examples of content which is permissible:
Package documentation or help files.
Clipart for use in office suites.
Background images (non-offensive, discriminatory, with permission to freely redistribute).