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HandWiki. MIT License. Encyclopedia. Available online: https://encyclopedia.pub/entry/36967 (accessed on 22 September 2026).
HandWiki. MIT License. Encyclopedia. Available at: https://encyclopedia.pub/entry/36967. Accessed September 22, 2026.
HandWiki. "MIT License" Encyclopedia, https://encyclopedia.pub/entry/36967 (accessed September 22, 2026).
HandWiki. (2022, November 29). MIT License. In Encyclopedia. https://encyclopedia.pub/entry/36967
HandWiki. "MIT License." Encyclopedia. Web. 29 November, 2022.
MIT License
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The content is sourced from: https://handwiki.org/wiki/Software:MIT_License

The MIT License is a permissive free software license originating at the Massachusetts Institute of Technology (MIT) in the late 1980s. As a permissive license, it puts only very limited restriction on reuse and has, therefore, high license compatibility. The MIT License is compatible with many copyleft licenses, such as the GNU General Public License (GNU GPL). Any software licensed under the terms of the MIT License can be integrated with software licensed under the terms of the GNU GPL. Unlike copyleft software licenses, the MIT License also permits reuse within proprietary software, provided that all copies of the software or its substantial portions include a copy of the terms of the MIT License and also a copyright notice. (As of 2020), the MIT License was the most popular software license found in one analysis, continuing from reports in 2015 that the MIT License was the most popular software license on GitHub. Notable projects that use the MIT License include the X Window System, Ruby on Rails, Nim, Node.js, Lua, and jQuery. Notable companies using the MIT License include Microsoft (.NET Core), Google (Angular), and Meta (React).

copyleft node.js free software

References

  1. "MIT License". SPDX Working Group. https://spdx.org/licenses/MIT.html. 
  2. "Open Source Initiative OSI – The MIT License:Licensing". Open Source Initiative. http://opensource.org/licenses/MIT. 
  3. "Various Licenses and Comments about Them". Free Software Foundation. 2014–2017. Expat License. https://www.gnu.org/licenses/license-list.en.html#Expat. "This is a lax, permissive non-copyleft free software license, compatible with the GNU GPL. It is sometimes ambiguously referred to as the MIT License." 
  4. "MIT License Explained in Plain English - TLDRLegal". https://tldrlegal.com/license/mit-license. 
  5. "X11 License". SPDX Working Group. https://spdx.org/licenses/X11.html. 
  6. "Various Licenses and Comments about Them". Free Software Foundation. 2014–2017. X11 License. https://www.gnu.org/licenses/license-list.en.html#X11License. "This is a lax permissive non-copyleft free software license, compatible with the GNU GPL. ... This license is sometimes called the MIT license, but that term is misleading, since MIT has used many licenses for software." 
  7. 3. X/MIT Licenses, The XFree86 Project, March 2004, http://www.xfree86.org/4.0/LICENSE3.html#6 
  8. "X11 License Explained in Plain English - TLDRLegal". https://tldrlegal.com/license/x11-license. 
  9. "General Code License - Fairfield Programming Association". https://about.fairfieldprogramming.org/licenses/code. 
  10. "MIT No Attribution". SPDX Working Group. https://spdx.org/licenses/MIT-0.html. 
  11. Langel, Tobie (15 May 2020). "[License-review Request for Legacy Approval of MIT No Attribution License"]. https://lists.opensource.org/pipermail/license-review_lists.opensource.org/2020-May/004856.html. 
  12. error
  13. "SPDX License List". SPDX Working Group. https://spdx.org/licenses/. 
  14. "FFTW - Fastest Fourier Transform in the West". Massachusetts Institute of Technology. https://tlo.mit.edu/technologies/fftw-fastest-fourier-transform-west. 
  15. "The mysterious history of the MIT License". opensource.com. opensource.com. https://opensource.com/article/19/4/history-mit-license. "The date? The best single answer is probably 1987. But the complete story is more complicated and even a little mysterious. [...] Precursors from 1985. The X Consortium or X11 License variant from 1987. Or the Expat License from 1998 or 1999." 
  16. Dickey, Thomas E.. "Copyrights/comments". https://invisible-island.net/personal/copyrights.html#bad_dating. 
  17. Dickey, Thomas E.. "NCURSES — Frequently Asked Questions (FAQ)". http://invisible-island.net/ncurses/ncurses.faq.html#is_it_gpl. 
  18. "Licenses". https://www.x.org/archive/current/doc/xorg-docs/License.html. 
  19. "Licensing a repository". https://docs.github.com/en/free-pro-team@latest/github/creating-cloning-and-archiving-repositories/licensing-a-repository. 
  20. "MIT License". GitHub. September 5, 2022. https://choosealicense.com/licenses/mit/. 
  21. "To All Licensees, Distributors of Any Version of BSD". University of California, Berkeley. 1999-07-22. ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change. 
  22. "Copyright Policy". OpenBSD. http://www.openbsd.org/policy.html. "The ISC copyright is functionally equivalent to a two-term BSD copyright with language removed that is made unnecessary by the Berne convention." 
  23. de Raadt, Theo (21 March 2008). "Re: BSD Documentation License?". openbsd-misc (Mailing list). https://marc.info/?l=openbsd-misc&m=120618313520730&w=2
  24. "Patents and GPLv3 - FSFE" (in en). https://fsfe.org/activities/gplv3/patents-and-gplv3.html. 
  25. "Why so little love for the patent grant in the MIT License?". 2021-01-23. https://opensource.com/article/18/3/patent-grant-mit-license. 
  26. "Free and open source software and your patents". 2020-05-03. http://oss-watch.ac.uk/resources/fossandpatents. 
  27. Stern and Allen, Open Source Licensing, p. 495 in Understanding the Intellectual Property License 2013 (Practicing Law Institute 2013)
  28. "The MIT License, Line by Line". 2020-05-03. https://writing.kemitchell.com/2016/09/21/MIT-License-Line-by-Line.html. 
  29. Christian H. Nadan (2009), "Closing the Loophole: Open Source Licensing & the Implied Patent License", The Computer & Internet Lawyer (Aspen Law & Business) 26 (8), https://download.pli.edu/WebContent/chbs/185480/185480_Chapter22_Adv_Licensing_Agreements_2017_Vol_02_CC121601854800207140.htm, "By using patent terms like "deal in", "use", and "sell", the MIT license grant is more likely to be deemed to include express patent rights than the BSD license." 
  30. Saltzer, Jerome H (18 November 2020). "The origin of the "MIT license"". IEEE Annals of the History of Computing 42 (4): 94–98. doi:10.1109/MAHC.2020.3020234. ISSN 1934-1547.  https://dx.doi.org/10.1109%2FMAHC.2020.3020234
  31. "Open Source Licenses in 2020: Trends and Predictions". 2020-05-03. https://resources.whitesourcesoftware.com/blog-whitesource/top-open-source-licenses-trends-and-predictions. 
  32. "Top 20 licenses". Black Duck Software. 19 November 2015. http://www.blackducksoftware.com/resources/data/top-20-licenses. "1. MIT license 24%, 2. GNU General Public License (GPL) 2.0 23%" 
  33. Balter, Ben (2015-03-09). "Open source license usage on GitHub.com". https://github.com/blog/1964-license-usage-on-github-com. "1 MIT 44.69%, 2 Other 15.68%" 
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