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related 3.81 — strongly supporting 13 facts
The GNU General Public License (GPL) is widely recognized as the most prominent example of a copyleft license, as established in [1], [2], and [3]. It functions as a reciprocal license that enforces the copyleft principle by requiring derivative works to be released under the same terms, as described in [4], [5], and [6].
Facts (13)
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Open-source license - Wikipedia en.wikipedia.org 2 facts
accountAn early version of copyleft licensing was utilized for the 1985 release of GNU Emacs, and the term later became associated with the Free Software Foundation's reciprocal licenses, specifically the GNU General Public License (GPL).
claimReciprocal licenses, such as the GNU General Public License, grant rights to use, modify, and distribute work on the condition that derivative works are released under a license offering the same freedoms, and software built on a copyleft base must include the source code under the same or a similar license.
Open Hardware Licenses - The Turing Way book.the-turing-way.org 1 fact
claimThe GNU General Public License (GPL), developed by Richard Stallman, is a popular copyleft license used for software within open source hardware projects.
What Is Open Source Software? - IBM ibm.com 1 fact
claimThe GNU General Public License (GPL), innovated by Richard Stallman, is the first copyleft software license and requires that anyone who enhances the source code must publish their edited version freely to all.
Open Source Licensing Explained: A Comprehensive Guide - TuxCare tuxcare.com 1 fact
claimThe GPL is an example of a copyleft license that ensures derivative works remain open source.
Free and open-source software - Wikipedia en.wikipedia.org 1 fact
claimThe GNU General Public License (GPL) is one of the most widely used copyleft licenses in the free and open-source software (FOSS) community and was created by the Free Software Foundation (FSF).
Understanding Open-source Licenses: Key factors to Consider leanix.net 1 fact
claimThe GNU General Public License (GPL) is the most well-known copyleft license.
What is OSS? - CircleCI circleci.com 1 fact
claimThe GNU General Public License, created by the Free Software Foundation, is the most famous copyleft license.
Understanding Open-Source Software Licensing - Kemp IT Law kempitlaw.com 1 fact
claimCopyleft licenses, such as GPL and LGPL, require that derivative works be released under the same license, which can potentially impact proprietary software.
What Is Open Source Software Licensing? - Coursera coursera.org 1 fact
claimThe GNU General Public License is a strong copyleft license that requires users to distribute source code, including any modifications, under the original license terms.
What is Open Source Software (OSS)? - GitHub github.com 1 fact
referenceThe GNU General Public License (GPL) v2, created by the GNU Project, requires that source code be made available for public use and is a copyleft license, meaning any version of the source code must be released under the same GPLv2 license.
Open-source hardware - Wikipedia, the free encyclopedia smoothieware.github.io 1 fact
claimCommon copyleft licenses include the GNU General Public License (GPL) and the Creative Commons Attribution-ShareAlike license.
Open Hardware Licenses - P2P Foundation Wiki wiki.p2pfoundation.net 1 fact
claimCopyleft licenses like the GNU General Public License (GPL) and the Creative Commons Attribution-ShareAlike License (BY-SA) are popular in the field of free and open hardware, but they function differently than in software because hardware is generally not protected by copyright law.