Copyleft open source software licenses come in two forms: strong and weak. The GPL v2 falls into the first category. A copyleft license requires all code modifications to the licensed software to be released under the same license. The distinction between weak and strong depends on how much cod...
by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all....
a. The modified work must itself be a software library. b. You must cause the files modified to carry prominent notices stating that you changed the files and the date of any change. c. You must cause the whole of the work to be licensed at no charge to all third parties under th...
Frequently Asked Questions about the GNU Licenses - GNU Project - Free Software Foundation Various Licenses and Comments about Them - GNU Project - Free Software Foundation A Quick Guide to GPLv3 - GNU Project - Free Software Foundation What is Free Software? - GNU Project - Free Software Found...
It’s intended to deliver the “four freedoms,” where end-users are free to use, study, modify, and distribute GPL-licensed software for any purpose. It’s associated with the “free software” movement, started by Richard M. Stallman in the early ’80s and now embodied in the Free ...
"The Program" refers to any copyrightable work licensed under this License. [...] To "modify" a work means to copy from or adapt all or part of the work in a fashion requiring copyright permission, other than the making of an exact copy. The resulting work is called a "modified versi...
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Copyright[yyyy][nameofcopyright owner]Licensed under the Apache License,Version2.0(the"License");you may not usethisfile exceptincompliancewiththe License.You may obtain a copyofthe License athttp://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed toinwriting,software...
This provision of the GPL allows the author of such software to license the software under another license (typically, a proprietary one) when distributed by itself and under the GPL when the program is distributed as part of a larger work, including GPL-licensed programs. This may provide ...
and any third party with the source code of the softwarelicensedunder an open source software ...