Here are sources for further information on copyleft, especially as it is applied to non software information. Many free software licenses are not copyleft licenses because they do not require the licensee to distribute derivative works under the same license. A copyleft license uses to forbid forbidding changing, giving, or selling something. The meaning and history of first names behind the name. This site itself is licensed under a copyleft license and has received contributions from experts around the world. Can open source software be used for commercial purposes. The license requires that modifications as defined in section 1. Ram samudrala wrote the free music philosophy and creates copylefted music as the band twisted helices. The term originated from the need of software developers to publish the code of their programs for others to use, yet to require those who use the code to republish the modified code and to give credit to the original programmer.
Copyleft, distinguished from, 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 created later. First name meaning software, personalized gift software. Name gifts include a first name meaning, name origin, and a unique set of 8 virtues associated with every name. Free software licenses can be divided into two broad categories.
It is radical because previous attempts have tried to build on the evident success of the gnu gpl by taking a kind of copyleft approach. A form of licensing that encourages the distribution of software at no charge for noncommercial uses. Bretthauer explains releasing software in the public domain means anyone. Having in 1983 launched the gnu project, a mass collaboration for the development of free software, stallman went on to author the gnu general public license, the first copyleft. Both open source and copyleft are complex terms that deal with a users right to access, use, modify, and distribute a work that is based on the source code of another piece of software. Open source licenses are licenses that comply with the open source definition in brief, they allow software to be freely used, modified, and shared. Microsoft office is a common example of proprietary software. The internet provides a suitable platform for sharing and developing source code and open collaboration results in faster and more efficient development. Understanding the basics of both concepts is crucial when modifying or distributing any form of software or computer code. This provision also yields additional compatibility with non copyleft free software licenses that prohibit the use of the licensors name on unmodified versions or other prohibitions on advertising rights.
Thats why we reverse the name, changing into copyleft. Copyleft is a type of license that attempts to ensure that the public retains the freedom to use, modify, extend and redistribute a creative work and all derivative works i. An opensource license is a type of license for computer software and other products that allows the source code, blueprint or design to be used, modified andor shared under defined terms and conditions. Laura and our first names software will generate a personalised scroll, greeting card, keyring etc. Users are permitted to engage in copying and distributing ed materials. This provision allows limitations on the use of names of licensor for publicity purposes. The free software component that is part of the composite is only available under a strong copyleft license no permissive license, no duallicense. It is not the opposite of, but its purpose is the opposite of the purpose of the frequently seen type of license which uses to forbid changing, giving, or selling something. You can chose text color to make name meaning appear in different colors. You change meaning of name by selecting different words. Most distributed software can be categorized according to its license type see table.
Copyleft finds its roots in the open source movement, which promotes the idea of collaboration. Does open source mean anybody else can use my name and logo. When an open source software project is published with a copyleft license. Information and translations of copyleft in the most comprehensive dictionary definitions resource on the web. In parallel with the set of gnu licenses including the gnu gpl, the free software world evolved a number of very simple permissive copyfree licenses. Proprietary software developers use to take away the users freedom. Top 10 apache license questions answered whitesource. Copyleft software licenses are considered protective or reciprocal, as contrasted with permissive free software licenses. The principles of copyleft are commonly used within the software industry, where source code is often free for anyone to modify. Proprietary software is any software that is ed and bears limits against use, distribution and modification that are imposed by its publisher, vendor or developer. Copyleft is the idea and the specific stipulation when distributing software that the user will be able to copy it freely, examine and modify the source code, and redistribute the software to others free or priced as long as the redistributed software is also passed along with the copyleft stipulation. Copyleft definition of copyleft by the free dictionary.
This means that if you were to say that a project is copyleft, it doesnt mean anything. The most well known free software license that uses strong copyleft is the gnu general public license. Copyleft simple english wikipedia, the free encyclopedia. The distinct conceptual difference between the two is the granting of rights. Copyleft software licenses are considered protective or reciprocal, as. Two common categories for software under law, and therefore with licenses which grant the licensee specific rights, are proprietary software and free and opensource software foss.
The copyleft clauses were written to support laws, not eliminate them. Copyleft ist kein notwendiger bestandteil einer lizenz fur freie software. Weak a strong copyleft license, such as the gnu gpl license, applies to all derived works and software. Though there is evidence of use of the term copyleft as far back as the mid seventies, the real pioneer of the principle is us software developer richard stallman. This license does not grant any rights in my name, trademarks, service marks. The rest of this web site is the home of the gnu project and is the canonical source for copyleft and freelyredistributable software. Copyleft works by first identifying what program or software is in question. The source code is usually secret and the owner might limit the number of computers you can use the software on for each license you buy. Whats the difference between copyright and copyleft. Create picture poster with your name meaning and share on social media with friends and family. These documents, known as the copyleft provisions, outline how the program can be used, and under what terms it can be distributed. Indymedia romania revised its copyleft definition to make the meaning of in the spirit of the original clearer after repeated problems with the neofascist site altermedia romania, whose pranks ranged from hijacking the indymedia.
Copyleft is a distinguishing feature of some free software licenses. Browse through name meaning, rankings, other peoples comments, ratings, and other statistics in addition to the name meanings. Its ease of use and unique blogging features have helped it become the most popular blogging tool on the web. After opting into the copyleft licence, the source code is readily available, and it allows others to modify and develop the code. Viral license is a pejorative name for copyleft licenses. This type of software, also sometimes called closedsource software, retains its full, meaning no reuse is permitted.
Copyleft dictionary definition copyleft defined yourdictionary. Get ideas for baby names or discover your own names history. This site has been set up as a free etymology and onomastics resource to look up the history and meaning of names. Frequently answered questions open source initiative.
Most people have some idea of their name meaning or where their name came from. Strong, weak and non copyleft strong copyleft provisions can be imposed to all derived works which means that the first creator of the works has the most rights. This timeless and very popular gift is all about names. There are variations, of coursethe lgpl, for example, is a weak copyleft. Find the meaning, history and popularity of given names from around the world. Copyleftnext project means the project that maintains the source code. Therefore, this means that some of the key features include. The free software component does not allow some exception to strong copyleft i.
Proprietary software remains the property of its ownercreator and is used by endusersorganizations under predefined conditions. This can be considered the canonical definition, since the gnu general public license gpl in its various versions remains the most widelyused. Create first name gifts for every name in the world. Copyleft is a manner of ensuring that a work will remain free in all variations and interpretations that may become of it. We offer name meanings for over 50,000 different baby names, surnames, and city names from all over the world. Free software licenses grant users the freedom to use it for any. Meaning of first name software create personalised gifts.
Copyleft definition of copyleft, copyright and copyleft. The apache license is a permissive open source software license so you. With law, authors have complete control over their materials. These licenses are so simple that no dedicated text is needed to expose the terms of the license. Copyleft licensing is favourable for software coders. We all have a first name, but how many of us really know its origin and history. The mpl fills a useful space in the spectrum of free and open source software. There is an ongoing debate as to which class of license provides the greater degree of freedom. Wordpress is a free content management system used to build and maintain websites. Copyleft is a name for a type of a license for free content or free software.
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