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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 derivative works. In this sense, freedoms refers to the use of the work for any purpose, and the ability to modify, copy, share, and redistribute the work, with or without a fee. Licenses which implement…

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Key facts & relationships

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Different from
U+00A9 © COPYRIGHT SIGN

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Overview

History

Principles

Application

Types and relation to other licenses

Debate and controversy

Symbol

Advanced semantic analysis

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Map overview Semantic statistics

Copyleft

Nodes99
Edges98
Triples136
Avg. degree1.98
Density0.020202
Components1

How this topic connects Entity context

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Copyleft

Top relations

see also · 23
Copyleft → Compensation, Copying, Copyright, Culture, Digital, Dissenting, Ethical, False, Free, Internet, License Agreement, List, Marcus BoonInternet, Movement, Ownership, Praise, Pun, Social, Statement, This Film
related to "Viral" licensing · 14
Copyleft → BSD Licenses, For, General Public Virus, GNU Public Virus, GPL, GPL-licensed, GPLv1, GPV, It, OpenBSD, OpenBSD Copyright Policy, Some, The, Viral
related to Debate and controversy · 14
Copyleft → Both, FSF, GNU Project, GPL, However, It, Legal Counsel Lawrence Rosen, Ogg Vorbis, Open Software License, Open Source Initiative, OSI, Some, Stallman, The OSI's
related to history · 9
Copyleft → COPYLEFT ALL WRONGS RESERVED, Dobb's Journal, Dr, Intel, Li-Chen Wang's Palo Alto, May, Richard Stallman's GNU Manifesto, The, Tiny BASIC
related to Strong and weak copyleft · 9
Copyleft → Free-software, GNU Lesser General Public, License, Mozilla Public License, Only, The, This, Thus, Weak
related to Types and relation to other licenses · 9
Copyleft → Creative Commons, For, GFDL, GNU Free Documentation License, However, In, The, There, This
related to Economic incentive · 8
Copyleft → Copyright, Elastic, In, Some, Such, The, This, When
related to Application · 7
Copyleft → Any, Common, Therefore, This, Thus, Under, Unlike
related to Permissive licenses · 7
Copyleft → Apache, BSD, Examples, Expat, Permissive, They, X11
related to Symbol · 6
Copyleft → As, COPYLEFT SYMBOL, SMALL LETTER REVERSED, The, Unicode, Unicode Technical Committee

Important terminology Word statistics

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Important terminology

license software licenses work use free works code public also copyright terms gpl source gnu used freedom authors may modified

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
CopyleftDifferent fromU+00A9 © COPYRIGHT SIGN1.00infobox
CopyleftIn Unicode.mw-parser-output .monospaced{font-family:monospace,monospace}U+1F12F 🄯 COPYLEFT SYMBOL HTML: 🄯 Alternative symbol: (ɔ)1.00infobox
Copyleftis alegal technique of granting certain freedoms over copies of copyrighted works with the requirement that the same rights be preserved in derivative works0.90text
Copyleftis adistinguishing feature of some free software licenses0.90text
glibcinstance ofThis allows programs of any license to be compiled and linked against copylefted libraries0.80text
then redistributed without any re-licensing requiredinstance ofThis allows programs of any license to be compiled and linked against copylefted libraries0.80text
prohibiting commercial useinstance ofas some share-alike licenses include further restrictions0.80text
Copyleftrelated to "Viral" licensingViral0.60section
Copyleftrelated to "Viral" licensingIt0.60section
Copyleftrelated to "Viral" licensingGeneral Public Virus0.60section
Copyleftrelated to "Viral" licensingGNU Public Virus0.60section
Copyleftrelated to "Viral" licensingGPV0.60section

Related concept clusters Concept neighborhoods

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