• Thumbnail for Copyleft
    Copyleft is the legal technique of granting certain freedoms over copies of copyrighted works with the requirement that the same rights be preserved in...
    45 KB (5,079 words) - 20:11, 15 September 2024
  • BSD-like or BSD-style license, is a free-software license which instead of copyleft protections, carries only minimal restrictions on how the software can...
    24 KB (2,535 words) - 22:42, 29 July 2024
  • Thumbnail for Free content
    licenses rely on a copyright holder's power to license their work, as copyleft which also utilizes copyright for such a purpose. The public domain is...
    43 KB (4,320 words) - 17:31, 24 August 2024
  • Thumbnail for Open-source license
    licenses. The two main categories of open-source licenses are permissive and copyleft. Both grant permission to change and distribute software. Typically, they...
    44 KB (5,214 words) - 19:14, 5 August 2024
  • Thumbnail for Free-software license
    were of the "permissive" kind. In the mid-1980s, the GNU project produced copyleft free-software licenses for each of its software packages. An early such...
    57 KB (6,399 words) - 03:51, 19 September 2024
  • rights reversed is a phrase that indicates a release of a publication under copyleft licensing status. It is a pun on the common copyright disclaimer "All rights...
    4 KB (349 words) - 15:29, 5 August 2024
  • Thumbnail for GNU Lesser General Public License
    proprietary) software without being required by the terms of a strong copyleft license to release the source code of their own components. However, any...
    11 KB (1,257 words) - 04:08, 12 May 2024
  • Thumbnail for Software license
    level of service to the purchaser, often backed by financial penalties. Copyleft is a type of free license that mandates derivative works to be licensed...
    33 KB (3,563 words) - 10:48, 12 September 2024
  • restrictions on reuse and therefore has high license compatibility. Unlike copyleft software licenses, the MIT License also permits reuse within proprietary...
    26 KB (2,715 words) - 22:53, 18 September 2024
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    generally find the same set of software to be acceptable, but sometimes see copyleft as restrictive. They generally advocate permissive free software licenses...
    52 KB (5,523 words) - 20:23, 15 August 2024
  • Thumbnail for Share-alike
    Share-alike (category Copyleft)
    work to be released under the same or similar license as the original. Copyleft licenses are free content or free software licenses with a share-alike...
    8 KB (777 words) - 17:17, 18 February 2024
  • Thumbnail for GNU General Public License
    GNU General Public License (category Copyleft software licenses)
    licenses, or copyleft licenses, that guarantee end users the freedoms to run, study, share, and modify the software. The license was the first copyleft for general...
    132 KB (15,467 words) - 19:19, 16 September 2024
  • negotiate to combine code. Copyleft licenses are commonly deliberately incompatible with proprietary licenses, in order to prevent copyleft software from being...
    52 KB (5,786 words) - 16:12, 5 July 2024
  • The copyleft symbol 🄯 is a backwards capital letter C in a circle (copyright symbol © mirrored). It has no legal meaning. Law portal Copyleft unicode=U+1F12F...
    14 KB (1,518 words) - 02:41, 15 September 2024
  • on the use and distribution of covered software. This is in contrast to copyleft licenses, which have share-alike requirements. The original BSD license...
    29 KB (3,234 words) - 15:41, 15 August 2024
  • Thumbnail for GNU Free Documentation License
    GNU Free Documentation License (category Copyleft)
    The GNU Free Documentation License (GNU FDL or GFDL) is a copyleft license for free documentation, designed by the Free Software Foundation (FSF) for the...
    27 KB (3,164 words) - 23:51, 19 August 2024
  • Thumbnail for GNU Project
    GNU Project (category Copyleft media)
    "weak" copyleft. "Weak" copyleft programs typically allow distributors to link them together with non-free programs, while "strong" copyleft strictly...
    29 KB (3,075 words) - 16:47, 16 September 2024
  • Thumbnail for GNU Affero General Public License
    GNU Affero General Public License (category Copyleft software licenses)
    The GNU Affero General Public License (GNU AGPL) is a free, copyleft license published by the Free Software Foundation in November 2007, and based on the...
    15 KB (1,570 words) - 18:52, 16 July 2024
  • Thumbnail for Linux
    based on the principle of copyleft, a kind of reciprocity: any work derived from a copyleft piece of software must also be copyleft itself. The most common...
    107 KB (9,923 words) - 09:26, 14 September 2024
  • Thumbnail for Software categories
    proprietary. Some copyleft licenses block other means of turning software proprietary. Copyleft is a general concept. Copylefting an actual program requires...
    11 KB (1,193 words) - 15:27, 17 August 2024
  • Thumbnail for Apache License
    copyright notice and disclaimer. The Apache License is permissive; unlike copyleft licenses, it does not require a derivative work of the software, or modifications...
    11 KB (1,217 words) - 05:27, 11 September 2024
  • Thumbnail for Fair use
    Intellectual property Authors' rights Copyleft Copyright Database right Farmers' rights Geographical indication Indigenous intellectual property Industrial...
    77 KB (9,704 words) - 18:58, 17 September 2024
  • permissive copyleft) Creative Commons Attribution Copyleft & patentleft licenses GNU GPL, LGPL (weaker copyleft), AGPL (stronger copyleft) Creative Commons...
    13 KB (1,281 words) - 18:59, 10 July 2024
  • abilities and willingness". Copyleft licenses are institutions which support a knowledge commons of executable software. Copyleft licenses grant licensees...
    12 KB (1,275 words) - 13:14, 5 August 2024
  • financial profit is expected to be much lower in a business model utilising copyleft works only than in a business using proprietary works.[opinion][better source needed]...
    10 KB (1,200 words) - 09:53, 11 June 2024
  • with the organization's preference for software being distributed under copyleft ("share alike") terms, such as with its own GNU General Public License...
    62 KB (5,526 words) - 15:38, 14 September 2024
  • adopters license related improvements they develop under the same terms. Copyleft-style licensors seek "continuous growth of a universally accessible technology...
    4 KB (406 words) - 10:45, 2 January 2024
  • least "Compatible with GPL" and preferably copyleft. The OSI recommends a mix of permissive and copyleft licenses, the Apache License 2.0, 2- & 3-clause...
    39 KB (1,916 words) - 09:11, 24 July 2024
  • Thumbnail for Public domain
    ago. Public records Center for the Study of the Public Domain Copyfraud Copyleft Copyright status of works by the federal government of the United States...
    55 KB (5,859 words) - 21:45, 19 August 2024
  • Li-Chen Wang stated ‘(ↄ) COPYLEFT ALL WRONGS RESERVED’. In 1984–5 programmer Don Hopkins sent Richard Stallman a letter labeled "Copyleft—all rights reversed"...
    25 KB (2,803 words) - 09:07, 15 August 2024