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Miloslav Ciz 2024-02-17 10:47:29 +01:00
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@ -4,6 +4,8 @@ License is a legal text by which we grant some of our exclusive rights (e.g. [co
**You shall always use a free license for your software.**
There exist fun/parody licenses like [WTFPL](wtfpl.md) (Do What the Fuck You Want to Public License) -- these are cool as a fun meme, though legally they may be invalid as they are too vague and the language could just make it look like a statement not meant seriously to the court, anything licensed this way should rather be seen as a licenseless work. It's better to not seriously use these, or if you do, dual license alongside with some "serious" license.
Free licenses are mainly divided into:
- **[copyleft](copyleft.md)**: Licenses that require that further modifications of the work will still remain free, i.e. "forcing freedom". Example of such licenses are [GPL](gpl.md) and [CC BY-SA](cc_by_sa.md). Copyleft licenses are a bit more associated with free software (as opposed to open source) as the main free software organization -- [GNU](gnu.md) -- advocates them because they disallow corporations to take free programs and make them into proprietary ones.