Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Download
Faster access than browser!
 

Copyleft

Index Copyleft

Copyleft (a play on the word copyright) is the practice of offering people the right to freely distribute copies and modified versions of a work with the stipulation that the same rights be preserved in derivative works down the line. [1]

102 relations: Adaptation (film), Affero General Public License, All rights reversed, Apache License, Art, Bradley M. Kuhn, BSD licenses, C standard library, CeCILL, Chlorophytum comosum, Commercial use of copyleft works, Comparison of open-source and closed-source software, Copyright, Copyright (Amendment) Bill 2014, Copyright infringement, Copyright symbol, Craig Mundie, Creative Commons, Creative Commons license, Cypherpunk, David Turner (computer scientist), Derivative work, Design science license, DMOZ, Document, Documentation, Don Hopkins, Dr. Dobb's Journal, Europe, European Union Public Licence, Executable, Fair use, First Monday (journal), Fordham Intellectual Property, Media & Entertainment Law Journal, Free content, Free software, Free Software Foundation, Free software license, Free software movement, Free-culture movement, GNU Affero General Public License, GNU C Library, GNU Classpath, GNU Compiler Collection, GNU General Public License, GNU Lesser General Public License, GNU Manifesto, GNU Project, GPL linking exception, Gratis versus libre, ..., Hacktivismo Enhanced-Source Software License Agreement, History of free and open-source software, Jargon File, Law, Lawrence Lessig, Lawrence Rosen (attorney), Li-Chen Wang, Library (computing), License, Linux Journal, Lisp (programming language), Mail art, Microsoft, MIT License, Mozilla Public License, New York University Stern School of Business, Nonprofit organization, O'Reilly Media, Obligation, Open content, Open Software License, Open Source Initiative, Opposition to copyright, Patentleft, Permissive software licence, Political freedom, Principia Discordia, Proprietary software, Public copyright license, Public domain, Ray Johnson, Reciprocity (social psychology), Revoke, Revolution OS, Richard Stallman, Share-alike, Software, Software as a service, Software relicensing, Source code, Source Code, Steve Ballmer, Sybase Open Watcom Public License, Symbolics, The Free Software Definition, Tiny BASIC, Unicode Consortium, Viral license, Vorbis, Waiver, Word play, Zero-based numbering. Expand index (52 more) »

Adaptation (film)

Adaptation. is a 2002 American comedy-drama metafilm directed by Spike Jonze and written by Charlie Kaufman.

New!!: Copyleft and Adaptation (film) · See more »

Affero General Public License

The Affero General Public License (Affero GPL and informally Affero License) is either of two distinct, though historically related, free software licenses.

New!!: Copyleft and Affero General Public License · See more »

All rights reversed

All rights reversed is a phrase that indicates a release of copyright or a copyleft licensing status.

New!!: Copyleft and All rights reversed · See more »

Apache License

The Apache License is a permissive free software license written by the Apache Software Foundation (ASF).

New!!: Copyleft and Apache License · See more »

Art

Art is a diverse range of human activities in creating visual, auditory or performing artifacts (artworks), expressing the author's imaginative, conceptual idea, or technical skill, intended to be appreciated for their beauty or emotional power.

New!!: Copyleft and Art · See more »

Bradley M. Kuhn

Bradley M. Kuhn (born 1973) is a free software activist from the United States.

New!!: Copyleft and Bradley M. Kuhn · See more »

BSD licenses

BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the use and redistribution of covered software.

New!!: Copyleft and BSD licenses · See more »

C standard library

The C standard library or libc is the standard library for the C programming language, as specified in the ANSI C standard.

New!!: Copyleft and C standard library · See more »

CeCILL

CeCILL (from CEA CNRS INRIA Logiciel Libre) is a free software license adapted to both international and French legal matters, in the spirit of and retaining compatibility with the GNU General Public License (GPL).

New!!: Copyleft and CeCILL · See more »

Chlorophytum comosum

Chlorophytum comosum, often called spider plant but also known as airplane plant, St.

New!!: Copyleft and Chlorophytum comosum · See more »

Commercial use of copyleft works

Commercial advantage of copyleft works differs from traditional commercial advantage of Intellectual Property Rights (IPR).

New!!: Copyleft and Commercial use of copyleft works · See more »

Comparison of open-source and closed-source software

Free/open-source software – the source availability model used by free and open-source software (FOSS) – and closed source are two approaches to the distribution of software.

New!!: Copyleft and Comparison of open-source and closed-source software · See more »

Copyright

Copyright is a legal right, existing globally in many countries, that basically grants the creator of an original work exclusive rights to determine and decide whether, and under what conditions, this original work may be used by others.

New!!: Copyleft and Copyright · See more »

Copyright (Amendment) Bill 2014

Copyright (Amendment) Bill 2014 (also dubbed Internet Article 23 (網絡23條)) broadly refers to a set of proposed ordinances regulating the internet in Hong Kong.

New!!: Copyleft and Copyright (Amendment) Bill 2014 · See more »

Copyright infringement

Copyright infringement is the use of works protected by copyright law without permission, infringing certain exclusive rights granted to the copyright holder, such as the right to reproduce, distribute, display or perform the protected work, or to make derivative works.

New!!: Copyleft and Copyright infringement · See more »

Copyright symbol

The copyright symbol, or copyright sign, © (a circled capital letter C for copyright), is the symbol used in copyright notices for works other than sound recordings (which are indicated with the ℗ symbol).

New!!: Copyleft and Copyright symbol · See more »

Craig Mundie

Craig James Mundie (born July 1, 1949 in Cleveland, Ohio) is Senior Advisor to the CEO at Microsoft and its former Chief Research and Strategy Officer.

New!!: Copyleft and Craig Mundie · See more »

Creative Commons

Creative Commons (CC) is an American non-profit organization devoted to expanding the range of creative works available for others to build upon legally and to share.

New!!: Copyleft and Creative Commons · See more »

Creative Commons license

A Creative Commons (CC) license is one of several public copyright licenses that enable the free distribution of an otherwise copyrighted work.

New!!: Copyleft and Creative Commons license · See more »

Cypherpunk

A cypherpunk (UK /ˈsʌɪfəpʌŋk/ US /ˈsʌɪfərpʌŋk/) is any activist advocating widespread use of strong cryptography and privacy-enhancing technologies as a route to social and political change.

New!!: Copyleft and Cypherpunk · See more »

David Turner (computer scientist)

David A. Turner (born 1946) is a British computer scientist.

New!!: Copyleft and David Turner (computer scientist) · See more »

Derivative work

In copyright law, a derivative work is an expressive creation that includes major copyright-protected elements of an original, previously created first work (the underlying work).

New!!: Copyleft and Derivative work · See more »

Design science license

Design Science License (DSL) is a copyleft license for any type of free content such as text, images, music.

New!!: Copyleft and Design science license · See more »

DMOZ

DMOZ (from directory.mozilla.org, an earlier domain name) was a multilingual open-content directory of World Wide Web links.

New!!: Copyleft and DMOZ · See more »

Document

A document is a written, drawn, presented, or memorialized representation of thought.

New!!: Copyleft and Document · See more »

Documentation

Documentation is a set of documents provided on paper, or online, or on digital or analog media, such as audio tape or CDs.

New!!: Copyleft and Documentation · See more »

Don Hopkins

Don Hopkins is an artist and programmer specializing in human computer interaction and computer graphics and an alumnus of the University of Maryland and a former member of the University of Maryland Human–Computer Interaction Lab.

New!!: Copyleft and Don Hopkins · See more »

Dr. Dobb's Journal

Dr.

New!!: Copyleft and Dr. Dobb's Journal · See more »

Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

New!!: Copyleft and Europe · See more »

European Union Public Licence

The European Union Public Licence (EUPL) is a software licence that has been created and approved by the European Commission.

New!!: Copyleft and European Union Public Licence · See more »

Executable

In computing, executable code or an executable file or executable program, sometimes simply referred to as an executable or binary, causes a computer "to perform indicated tasks according to encoded instructions," as opposed to a data file that must be parsed by a program to be meaningful.

New!!: Copyleft and Executable · See more »

Fair use

Fair use is a doctrine in the law of the United States that permits limited use of copyrighted material without having to first acquire permission from the copyright holder.

New!!: Copyleft and Fair use · See more »

First Monday (journal)

First Monday is a monthly peer-reviewed open access academic journal covering research on the Internet.

New!!: Copyleft and First Monday (journal) · See more »

Fordham Intellectual Property, Media & Entertainment Law Journal

The Fordham Intellectual Property, Media & Entertainment Law Journal is a specialty law journal of Fordham University School of Law that publishes articles on diverse topics in patent, trademark, copyright, First Amendment, and media law.

New!!: Copyleft and Fordham Intellectual Property, Media & Entertainment Law Journal · See more »

Free content

Free content, libre content, or free information, is any kind of functional work, work of art, or other creative content that meets the definition of a free cultural work.

New!!: Copyleft and Free content · See more »

Free software

Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions.

New!!: Copyleft and Free software · See more »

Free Software Foundation

The Free Software Foundation (FSF) is a 501(c)(3) non-profit organization founded by Richard Stallman on 4 October 1985 to support the free software movement, which promotes the universal freedom to study, distribute, create, and modify computer software, with the organization's preference for software being distributed under copyleft ("share alike") terms, such as with its own GNU General Public License.

New!!: Copyleft and Free Software Foundation · See more »

Free software license

A free software license is a notice that grants the recipient of a piece of software extensive rights to modify and redistribute that software.

New!!: Copyleft and Free software license · See more »

Free software movement

The free software movement (FSM) or free / open source software movement (FOSSM) or free / libre open source software (FLOSS) is a social movement with the goal of obtaining and guaranteeing certain freedoms for software users, namely the freedom to run the software, to study and change the software, and to redistribute copies with or without changes.

New!!: Copyleft and Free software movement · See more »

Free-culture movement

The free-culture movement is a social movement that promotes the freedom to distribute and modify creative works in the form of free content or open content by using the Internet and other forms of media.

New!!: Copyleft and Free-culture movement · See more »

GNU Affero General Public License

The GNU Affero General Public License is a free, copyleft license published by the Free Software Foundation in November 2007, and based on the GNU General Public License, version 3 and the Affero General Public License.

New!!: Copyleft and GNU Affero General Public License · See more »

GNU C Library

The GNU C Library, commonly known as glibc, is the GNU Project's implementation of the C standard library.

New!!: Copyleft and GNU C Library · See more »

GNU Classpath

GNU Classpath is a free software implementation of the standard class library for the Java programming language.

New!!: Copyleft and GNU Classpath · See more »

GNU Compiler Collection

The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages.

New!!: Copyleft and GNU Compiler Collection · See more »

GNU General Public License

The GNU General Public License (GNU GPL or GPL) is a widely used free software license, which guarantees end users the freedom to run, study, share and modify the software.

New!!: Copyleft and GNU General Public License · See more »

GNU Lesser General Public License

The GNU Lesser General Public License (LGPL) is a free software license published by the Free Software Foundation (FSF).

New!!: Copyleft and GNU Lesser General Public License · See more »

GNU Manifesto

The GNU Manifesto was written by Richard Stallman and published in March 1985 in Dr. Dobb's Journal of Software Tools as an explanation and definition of the goals of the GNU Project, and to call for participation and support developing GNU, a free software computer operating system.

New!!: Copyleft and GNU Manifesto · See more »

GNU Project

The GNU Project is a free-software, mass-collaboration project, first announced on September 27, 1983 by Richard Stallman at MIT.

New!!: Copyleft and GNU Project · See more »

GPL linking exception

A GPL linking exception modifies the GNU General Public License (GPL) in a way that enables software projects which provide library code to be "linked to" the programs that use them, without applying the full terms of the GPL to the using program.

New!!: Copyleft and GPL linking exception · See more »

Gratis versus libre

The English adjective free is commonly used in one of two meanings: "for free" (gratis) and "with little or no restriction" (libre).

New!!: Copyleft and Gratis versus libre · See more »

Hacktivismo Enhanced-Source Software License Agreement

The Hacktivismo Enhanced-Source Software License Agreement (HESSLA) is a software license proposed by Hacktivismo that attempts to put ethical restrictions on use and modification of software released under it.

New!!: Copyleft and Hacktivismo Enhanced-Source Software License Agreement · See more »

History of free and open-source software

In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees.

New!!: Copyleft and History of free and open-source software · See more »

Jargon File

The Jargon File is a glossary and usage dictionary of slang used by computer programmers.

New!!: Copyleft and Jargon File · See more »

Law

Law is a system of rules that are created and enforced through social or governmental institutions to regulate behavior.

New!!: Copyleft and Law · See more »

Lawrence Lessig

Lester Lawrence "Larry" Lessig III (born June 3, 1961) is an American academic, attorney, and political activist.

New!!: Copyleft and Lawrence Lessig · See more »

Lawrence Rosen (attorney)

Lawrence Rosen (also Larry Rosen) is an attorney and computer specialist.

New!!: Copyleft and Lawrence Rosen (attorney) · See more »

Li-Chen Wang

Dr.

New!!: Copyleft and Li-Chen Wang · See more »

Library (computing)

In computer science, a library is a collection of non-volatile resources used by computer programs, often for software development.

New!!: Copyleft and Library (computing) · See more »

License

A license (American English) or licence (British English) is an official permission or permit to do, use, or own something (as well as the document of that permission or permit).

New!!: Copyleft and License · See more »

Linux Journal

Linux Journal is a monthly technology magazine published by Linux Journal, LLC.

New!!: Copyleft and Linux Journal · See more »

Lisp (programming language)

Lisp (historically, LISP) is a family of computer programming languages with a long history and a distinctive, fully parenthesized prefix notation.

New!!: Copyleft and Lisp (programming language) · See more »

Mail art

Mail art (also known as postal art and correspondence art) is a populist artistic movement centered on sending small scale works through the postal service.

New!!: Copyleft and Mail art · See more »

Microsoft

Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

New!!: Copyleft and Microsoft · See more »

MIT License

The MIT License is a permissive free software license originating at the Massachusetts Institute of Technology (MIT).

New!!: Copyleft and MIT License · See more »

Mozilla Public License

The Mozilla Public License (MPL) is a free and open source software license developed and maintained by the Mozilla Foundation.

New!!: Copyleft and Mozilla Public License · See more »

New York University Stern School of Business

The New York University Leonard N. Stern School of Business (commonly known as The Stern School or Stern) is a business school in New York University.

New!!: Copyleft and New York University Stern School of Business · See more »

Nonprofit organization

A non-profit organization (NPO), also known as a non-business entity or non-profit institution, is dedicated to furthering a particular social cause or advocating for a shared point of view.

New!!: Copyleft and Nonprofit organization · See more »

O'Reilly Media

O'Reilly Media (formerly O'Reilly & Associates) is an American media company established by Tim O'Reilly that publishes books and Web sites and produces conferences on computer technology topics.

New!!: Copyleft and O'Reilly Media · See more »

Obligation

An obligation is a course of action that someone is required to take, whether legal or moral.

New!!: Copyleft and Obligation · See more »

Open content

Open content is a neologism coined by David Wiley in 1998 which describes a creative work that others can copy or modify freely, without asking for permission.

New!!: Copyleft and Open content · See more »

Open Software License

The Open Software License (OSL) is a software license created by Lawrence Rosen.

New!!: Copyleft and Open Software License · See more »

Open Source Initiative

The Open Source Initiative (OSI) is a non-profit organization dedicated to promoting open-source software.

New!!: Copyleft and Open Source Initiative · See more »

Opposition to copyright

Opposition to copyright or anti-copyright refers to a movement dissenting the nature of current copyright law, often focusing on perceived negative philosophical, economical or social effects of such laws.

New!!: Copyleft and Opposition to copyright · See more »

Patentleft

Patentleft (also patent left, copyleft-style patent license or open patent) is the practice of licensing patents (especially biological patents) for royalty-free use, on the condition that adopters license related improvements they develop under the same terms.

New!!: Copyleft and Patentleft · See more »

Permissive software licence

A permissive software license, sometimes also called BSD-like or BSD-style license, is a free software software license with minimal requirements about how the software can be redistributed.

New!!: Copyleft and Permissive software licence · See more »

Political freedom

Political freedom (also known as political autonomy or political agency) is a central concept in history and political thought and one of the most important features of democratic societies.

New!!: Copyleft and Political freedom · See more »

Principia Discordia

The Principia Discordia is a Discordian religious text written by Greg Hill (Malaclypse the Younger) with Kerry Wendell Thornley (Lord Omar Khayyam Ravenhurst).

New!!: Copyleft and Principia Discordia · See more »

Proprietary software

Proprietary software is non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights.

New!!: Copyleft and Proprietary software · See more »

Public copyright license

A public license or public copyright license is a license by which a copyright holder as licensor can grant additional copyright permissions to any and all persons in the general public as licensees.

New!!: Copyleft and Public copyright license · See more »

Public domain

The public domain consists of all the creative works to which no exclusive intellectual property rights apply.

New!!: Copyleft and Public domain · See more »

Ray Johnson

Raymond Edward "Ray" Johnson (October 16, 1927 – January 13, 1995) was an American artist.

New!!: Copyleft and Ray Johnson · See more »

Reciprocity (social psychology)

In social psychology, reciprocity is a social norm of responding to a positive action with another positive action, rewarding kind actions.

New!!: Copyleft and Reciprocity (social psychology) · See more »

Revoke

In trick-taking card games, a revoke (or renege, or) is a violation of the rules regarding the play of tricks serious enough to render the round invalid.

New!!: Copyleft and Revoke · See more »

Revolution OS

Revolution OS is a 2001 documentary film that traces the twenty-year history of GNU, Linux, open source, and the free software movement.

New!!: Copyleft and Revolution OS · See more »

Richard Stallman

Richard Matthew Stallman (born March 16, 1953), often known by his initials, rms—is an American free software movement activist and programmer.

New!!: Copyleft and Richard Stallman · See more »

Share-alike

Share-alike is a copyright licensing term, originally used by the Creative Commons project, to describe works or licences that require copies or adaptations of the work to be released under the same or similar licence as the original.

New!!: Copyleft and Share-alike · See more »

Software

Computer software, or simply software, is a generic term that refers to a collection of data or computer instructions that tell the computer how to work, in contrast to the physical hardware from which the system is built, that actually performs the work.

New!!: Copyleft and Software · See more »

Software as a service

Software as a service (SaaS) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted.

New!!: Copyleft and Software as a service · See more »

Software relicensing

Software relicensing is applied in open-source software development when software licenses of software modules are incompatible and are required to be compatible for a greater combined work.

New!!: Copyleft and Software relicensing · See more »

Source code

In computing, source code is any collection of code, possibly with comments, written using a human-readable programming language, usually as plain text.

New!!: Copyleft and Source code · See more »

Source Code

Source Code is a 2011 science fiction thriller film directed by Duncan Jones and written by Ben Ripley.

New!!: Copyleft and Source Code · See more »

Steve Ballmer

Steven Anthony Ballmer (born March 24, 1956) is an American businessman, investor and philanthropist who was the chief executive officer of Microsoft from January 2000 to February 2014, and is the current owner of the Los Angeles Clippers of the National Basketball Association (NBA).

New!!: Copyleft and Steve Ballmer · See more »

Sybase Open Watcom Public License

The Sybase Open Watcom Public Licence is a software license that has been approved by the Open Source Initiative.

New!!: Copyleft and Sybase Open Watcom Public License · See more »

Symbolics

Symbolics refers to two companies: now-defunct computer manufacturer Symbolics, Inc., and a privately held company that acquired the assets of the former company and continues to sell and maintain the Open Genera Lisp system and the Macsyma computer algebra system.

New!!: Copyleft and Symbolics · See more »

The Free Software Definition

The Free Software Definition written by Richard Stallman and published by Free Software Foundation (FSF), defines free software as being software that ensures that the end users have freedom in using, studying, sharing and modifying that software.

New!!: Copyleft and The Free Software Definition · See more »

Tiny BASIC

Tiny BASIC is a dialect of the BASIC programming language that can fit into as little as 2 or 3 KB of memory.

New!!: Copyleft and Tiny BASIC · See more »

Unicode Consortium

The Unicode Consortium (Unicode Inc.) is a 501(c)(3) non-profit organization that coordinates the development of the Unicode standard, based in Mountain View, California.

New!!: Copyleft and Unicode Consortium · See more »

Viral license

Viral license is an alternative name for copyleft licenses, especially the GPL, that allows derivative works only when permissions are preserved in modified versions of the work.

New!!: Copyleft and Viral license · See more »

Vorbis

Vorbis is a free and open-source software project headed by the Xiph.Org Foundation.

New!!: Copyleft and Vorbis · See more »

Waiver

A waiver is the voluntary relinquishment or surrender of some known right or privilege.

New!!: Copyleft and Waiver · See more »

Word play

Word play or wordplay (also: play-on-words) is a literary technique and a form of wit in which words used become the main subject of the work, primarily for the purpose of intended effect or amusement.

New!!: Copyleft and Word play · See more »

Zero-based numbering

Zero-based numbering or index origin.

New!!: Copyleft and Zero-based numbering · See more »

Redirects here:

Copy left, Copy-Left, Copy-left, Copyleft license, Copyleft licensing, Copylefted, Hard copyleft, Non-copyleft, Protective FOSS license, Protective software license, Reciprocal licence, Reciprocal license, Software hoarding, Strong copyleft, Weak copyleft, 🄯.

References

[1] https://en.wikipedia.org/wiki/Copyleft

OutgoingIncoming
Hey! We are on Facebook now! »