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Open source is source code that is made freely available for possible modification and sketchup pro 2017 user expired free. Products include permission to use the source code, [1] design documents, [2] or content of the product. The open-source model is a decentralized software development model that encourages open collaboration. The open-source movement in software began as a response to the limitations of proprietary code. The model is used for projects such as in open-source appropriate technology[5] and open-source drug discovery.
Open source promotes universal access via an open-source or free license to a product's design or blueprint, and universal redistribution of that design or blueprint. Open source gained hold with the rise of the Internet. Generally, open source refers to a computer program in which the source code is available to the general public for use or modification from its original design.
Code is released under /17063.txt terms of a software license. Depending on the license terms, others may then download, modify, and publish their version fork back to the community. Many large formal institutions have sprung up to support the development of the open-source movement, including sketchup pro 2017 user expired free Apache Software Foundationwhich supports community projects such as the open-source framework Apache Hadoop and the open-source HTTP server Apache HTTP.
The sharing of technical information predates the Internet and the personal computer considerably. For instance, in the early years of automobile development a group of capital monopolists owned the rights to a 2-cycle gasoline-engine patent originally filed by George B. Inindependent automaker Henry Ford won a challenge to the Selden patent. The result was that the Selden patent became virtually worthless and a new association which would eventually become the Motor Vehicle Manufacturers Association was formed.
Early instances of the free sharing of source code include IBM 's source releases of its operating systems and other programs in the s and s, and the SHARE user group that formed to facilitate the exchange of software. This led to the birth of the early Internet in BSDfor example, was first widely distributed by posts to comp. Linux followed in this model. The term "open source," as related to "free" software, was in common use by It was later proposed by a group of people in the free software movement who were critical of the political agenda and moral philosophy implied in the term "free software" and sought to reframe the discourse to reflect a more commercially minded position.
Peterson suggested "open source" at a meeting [19] held at Palo Alto, Californiain reaction to Netscape 's announcement in January of a source code release for Navigator. Richard Stallmanthe founder of the free software movement, initially seemed to adopt the term, but later changed his mind.
Raymond was especially active in the effort to popularize the new term. He made the first public call to the free software community to adopt it in February The term gained further visibility through an event organized in April by technology publisher Tim O'Reilly. At that meeting, alternatives to the term "free software" were discussed.
Tiemann argued for "sourceware" as a new term, while Raymond argued for "open source. Sketchup pro 2017 user expired free economists agree that open-source is an information good [25] or "knowledge good" with original work involving a significant amount of time, money, and effort.
The cost of reproducing the work is low enough that additional users may be added at zero or near zero cost — this is referred to as the marginal cost of a product. Copyright creates a monopoly so that the price charged to consumers can be significantly higher than the marginal cost of production.
This allows the author to recoup the cost of making the original work. Copyright thus adobe photoshop elements 12 photomerge panorama free access costs for consumers who value the work more than the marginal cost but less than the initial production cost.
Access costs also pose problems for authors who wish sketchup pro 2017 user expired free create a derivative work —such as a copy of a software program modified to fix a bug or add a feature, or a remix of a sketchup pro 2017 user expired free are unable or unwilling to pay the copyright holder for the right to do so.
Being organized as effectively a " consumers' cooperative ", open source eliminates some of the access costs of consumers and creators of derivative works by reducing the restrictions of copyright. Basic economic theory predicts that lower costs would lead to higher consumption and also more frequent creation of derivative works. Organizations such as Creative Commons host websites where individuals can file for alternative "licenses", or levels of restriction, for their works.
Others argue that since consumers do not pay for their copies, creators are unable to recoup the initial cost of production and thus have little economic incentive to create in the first place. By this argument, consumers would lose out because some of the goods they would otherwise purchase would not be available. In practice, content producers can choose whether to adopt a proprietary license and sketchup pro 2017 user expired free for copies, or an open license. Some goods which require large amounts of professional research and development, sketchup pro 2017 user expired free as the pharmaceutical industry which depends largely on patentsnot copyright for intellectual property protection are almost exclusively proprietary, although increasingly sophisticated technologies are being developed on open-source principles.
There is evidence that open-source development creates enormous value. RepRap 3D printers can replicate the product for the cost of materials. Many open source projects have a high economic value. The rank given is based on the activity regarding projects in online discussions, on GitHub, on search activity in search engines and on the influence on sketchup pro 2017 user expired free labour market.
Alternative arrangements have sketchup pro 2017 user expired free been shown to result in good creation outside of the proprietary license model. Examples include: [ citation needed ]. The open-source model is a decentralized software development model that encourages open collaboration[3] [32] meaning "any system of innovation or production that relies on goal-oriented yet loosely coordinated participants who interact to create a product or service of economic sketchup pro 2017 user expired free, which they make available to contributors and noncontributors alike.
The open-source model for software development inspired the use of the term to refer to other forms of open collaboration, such as in Internet forums[8] mailing lists [33] and online communities. Open collaboration is the principle underlying peer productionmass collaboration sketchup pro 2017 user expired free, and wikinomics.
It also explains some instances of crowdsourcingcollaborative consumptionand open innovation. Riehle et al. For example, all of the elements — goods of economic value, open access to contribute and consume, interaction and exchange, purposeful yet loosely coordinated work — are present in an open source software project, in Wikipedia, or in a user forum or community.
They can also be present in a commercial website that is based on user-generated content. In all of these instances of open collaboration, anyone can contribute and anyone can freely partake in the fruits of sharing, which are produced by interacting participants who are loosely coordinated. An annual conference dedicated to the research sketchup pro 2017 user expired free practice of open collaboration is the International Symposium on Wikis and Open Collaboration OpenSym, formerly WikiSym.
Open source gained hold in part due to the rise of the Internet. An open-source license is a type of license for computer software and other products that allows the source codeblueprint or design to be used, modified or shared with or without modification under defined terms and conditions.
Open-source licensed software is mostly available free of charge, though this does not necessarily have to be the case. /34875.txt which only permit non-commercial redistribution or modification of the source code for personal use only are generally not considered as open-source licenses.
However, open-source licenses may have some restrictions, particularly regarding the expression of respect to the origin of software, such as a requirement to preserve the name of the authors and a copyright statement within the code, or a requirement to redistribute the licensed software only under the same license as in a copyleft license.
Social and political views have been affected by the growth of ableton live 9 suite windows 10 free concept of open source. Advocates in one field often support the expansion of open source in other fields.
But Eric Raymond and other founders of the open-source movement have sometimes publicly argued against speculation adobe acrobat standard dc fillable forms free applications outside software, saying that по этому адресу arguments for software openness should not be weakened by overreaching into areas where the story may be less compelling.
The broader impact of the open-source movement, and the extent of its role in the development of new information sharing procedures, remain to be seen. The open-source movement has inspired increased transparency and liberty in biotechnology research, for example CAMBIA [42] Even the research methodologies themselves can benefit from the application of open-source principles.
Open-source software is software which source code is published and made available to the public, enabling anyone to copy, modify and redistribute the source code without paying royalties or fees. These communities are composed of individual programmers as well as large companies. Some of the individual programmers who start an open-source project may end up establishing companies offering products or services incorporating open-source programs.
Open-source hardware is hardware which initial specification, usually in a software format, is sketchup pro 2017 user expired free and made available to the public, enabling anyone to copy, modify and redistribute the hardware and source code without paying royalties or fees.
Open-source hardware evolves through community cooperation. Examples of sketchup pro 2017 user expired free hardware initiatives are:. Some publishers of open-access journals have argued that data from food science and gastronomy studies should be freely available to aid reproducibility.
An open-source robot is a robot whose blueprints, schematics, or source code are released sketchup pro 2017 user expired free an open-source model. For example, "being free to speak" is not the same as "free beer".
Generally, open source refers to a computer program in which the source code is available to the general public for use for any including commercial purpose, or modification from its sketchup pro 2017 user expired free design. Open-source code is meant to be a collaborative effort, where programmers improve upon the source code and share the changes within the community.
The rise of open-source culture in the 20th century resulted from a growing tension between creative practices that involve require access to content that is often copyrightedand restrictive intellectual property laws and policies governing access to copyrighted content. The two main ways in which intellectual property laws became more restrictive in the 20th century were extensions to the term of copyright particularly in the United States and penalties, such as those articulated in the Digital Millennium Copyright Act DMCAplaced on attempts to circumvent anti-piracy technologies.
Although artistic appropriation is often permitted under fair-use doctrines, the complexity and ambiguity of these doctrines creates an atmosphere of uncertainty among cultural practitioners. Also, the protective actions of copyright owners create what some call a " chilling effect " among cultural practitioners. The idea of an "open-source" culture runs parallel to " Free Culture ," but is substantively different.
Free culture is a term derived from the free software movementand in contrast to that vision of culture, proponents of open-source culture OSC maintain that some intellectual property law needs to exist to protect cultural producers. Yet they propose a more nuanced position than corporations have traditionally sought. Instead of seeing intellectual property law as an expression of instrumental rules intended to uphold either natural rights or desirable outcomes, an argument for OSC takes into account diverse goods as in "the Good life" and ends.
Sites such as ccMixter offer up free web space for anyone willing to license their work under a Creative Commons license. The resulting cultural product is then available to download free generally accessible sketchup pro 2017 user expired free anyone with an Internet connection. Through various technologies such as peer-to-peer networks and blogscultural producers can take advantage of vast social networks to distribute their products.
As opposed to traditional media distribution, redistributing digital media on the Internet can be virtually costless. Irish philosopher Richard Kearney has источник статьи the term "open-source Hinduism " to refer to the way historical figures such as Mohandas Gandhi and Swami Vivekananda worked upon this ancient tradition.
Open-source journalism formerly referred to the standard journalistic techniques of news gathering and fact checking, reflecting open-source intelligencea similar term used in military intelligence circles. Now, open-source journalism commonly refers to forms of innovative publishing of online journalismrather than the sourcing of news stories by a professional journalist.
In the 25 December issue of TIME magazine this is referred to as user created content and listed alongside more traditional open-source projects such as OpenSolaris and Linux. Weblogsor blogs, are another significant platform for open-source culture. Blogs consist of periodic, reverse chronologically ordered posts, using a technology that makes webpages easily updatable with no understanding of design, code, or file transfer required.
While corporations, political campaigns and other formal institutions have begun using these tools to distribute information, many blogs are used by individuals for personal expression, political organizing, and socializing. Some, such as LiveJournal or WordPressutilize open-source software that is open to the public and can be modified by users to fit their own tastes.
Whether the code is open or not, this format represents a nimble tool for people to borrow and re-present culture; whereas traditional websites made the illegal reproduction of culture difficult to regulate, the mutability of blogs makes "open sourcing" even more uncontrollable since it allows a larger portion of the population to replicate material more quickly in the public sphere.
Messageboards are another platform for open-source culture.
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