Free software licenses | Wikipedia audio article
This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Free_so...
00:00:39 1 History
00:00:47 1.1 Pre 1980s
00:01:56 1.2 1980s
00:02:59 1.3 1990s to 2000s
00:05:59 1.4 2010s
00:06:58 2 Definitions
00:07:07 2.1 OSI-approved open-source licenses
00:07:45 2.2 FSF-approved free-software licenses
00:08:22 3 Conditions in free-software licenses
00:09:16 3.1 Copyleft
00:11:23 3.2 Patent retaliation
00:12:46 3.3 Hardware restrictions
00:13:14 3.4 Attribution, disclaimers and notices
00:13:48 4 Practical problems with licenses
00:13:58 4.1 License compatibility
00:15:27 4.2 Purpose of use
00:16:00 5 Definition conflicts
00:16:25 5.1 Permissive versus copyleft opinions
00:19:56 5.2 Debian
00:20:36 5.3 Controversial borderline cases
00:22:41 6 Market share
00:23:59 7 See also
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SUMMARY
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A free-software license is a notice that grants the recipient of a piece of software extensive rights to modify and redistribute that software. These actions are usually prohibited by copyright law, but the rights-holder (usually the author) of a piece of software can remove these restrictions by accompanying the software with a software license which grants the recipient these rights. Software using such a license is free software (or free and open-source software) as conferred by the copyright holder. Free-software licenses are applied to software in source code and also binary object-code form, as the copyright law recognizes both forms.