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DescriptionSoftware licensing spectrum.png	English: Free software licenses in a spectrum. Software may be combined under a license that can be reached by tracking the arrows forward from the licenses of all its components. The result must then carry the license in the target box, possibly with additions from the source licenses. Permissive licenses allow the software to become non-free, protective (copyleft) licenses prevent the component from becoming non-free, weakly protective (weak copyleft) licenses additionally allow it (often a software library) to be part of a larger non-free work.
Date	2007
Source	https://www.linuxvoice.com/the-fight-for-freedom/
Author	David A Wheeler
Other versions	Software_licensing_spectrum.svg Floss-license-slide-image.svg

This file, which was originally posted to https://www.linuxvoice.com/the-fight-for-freedom/, was reviewed on 22 December 2015 by reviewer Amitie 10g, who confirmed that it was available there under the stated license on that date.

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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.

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to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.