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Summary

Description
English: compatibility of common open-source software licenses. 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
Source
Author David A. Wheeler, et al.
Permission
(Reusing this file)
Webpage: "You may use, modify, and/or redistribute this document under the Creative Commons “Attribution-Share Alike 3.0 License”; the GNU Free Documentation License; or the GNU GPL (version 2 or later). This information is believed to be correct, but is not legal advice; for formal legal advice, please consult an attorney."
Other versions File:Floss-license-slide-image.png, File:Software licensing spectrum.png

Licensing

w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • 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.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
GNU head

This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version. This work is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See version 2 and version 3 of the GNU General Public License for more details.

Captions

license

Items portrayed in this file

depicts

27 September 2007

image/svg+xml

f1913b33e8875bde3efc178da716e21e853488fd

10,608 byte

420 pixel

1,400 pixel

File history

Click on a date/time to view the file as it appeared at that time.

(newest | oldest) View (newer 10 | ) (10 | 20 | 50 | 100 | 250 | 500)
Date/TimeThumbnailDimensionsUserComment
current04:28, 7 February 2023Thumbnail for version as of 04:28, 7 February 20231,400 × 420 (10 KB)Idrisz19+adjusting space
03:06, 7 February 2023Thumbnail for version as of 03:06, 7 February 20231,400 × 420 (10 KB)Idrisz19separating "weakly protective" into two columns since previous versions made it appear as if MPL-2.0 was only compatible with (L)GPL-3.0
03:48, 6 February 2023Thumbnail for version as of 03:48, 6 February 20231,120 × 580 (10 KB)Idrisz19+one more arrow
03:09, 6 February 2023Thumbnail for version as of 03:09, 6 February 20231,120 × 580 (10 KB)Idrisz19+case, per https://spdx.github.io/spdx-spec/v2.3/SPDX-license-expressions/#d2-case-sensitivity
02:42, 6 February 2023Thumbnail for version as of 02:42, 6 February 20231,120 × 580 (10 KB)Idrisz19+distinguishing between MPL-2.0 and MPL-2.0-no-copyleft-exceptions, switched to using SPDX license id's as labels
22:18, 5 February 2023Thumbnail for version as of 22:18, 5 February 2023800 × 490 (10 KB)Idrisz19-reduce filesize
22:01, 5 February 2023Thumbnail for version as of 22:01, 5 February 2023800 × 490 (11 KB)Idrisz19+increasing space between some elements
22:31, 3 February 2023Thumbnail for version as of 22:31, 3 February 2023800 × 470 (10 KB)Idrisz19+another arrow
22:00, 3 February 2023Thumbnail for version as of 22:00, 3 February 2023800 × 470 (10 KB)Idrisz19+MPL 2.0
23:17, 21 January 2022Thumbnail for version as of 23:17, 21 January 2022512 × 256 (4 KB)CmgleeRedraw to make arrows more prominent and reduce file size
(newest | oldest) View (newer 10 | ) (10 | 20 | 50 | 100 | 250 | 500)

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