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Encyclopedia > Closed source

Closed source is an antonym for open source and refers to any program whose license does not meet the definition of Open-source software. Generally, it means only the binaries of a computer program are distributed and the license provides no access to the program's source code, rendering modifications to the software technically impossible for practical purposes. The source code of such programs is usually regarded as a trade secret of the company. Access to source code by third parties commonly requires the party to sign a non-disclosure agreement. Look up Antonym in Wiktionary, the free dictionary. ... Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public. ... A software license is a legal agreement which may take the form of a proprietary or gratuitous license as well as a memorandum of contract between a producer and a user of computer software. ... Open source software refers to computer software available with its source code and under an open source license. ... A computer program is a collection of instructions that describe a task, or set of tasks, to be carried out by a computer. ... Source code (commonly just source or code) is any series of statements written in some human-readable computer programming language. ... A trade secret is a formula, practice, process, design, instrument, pattern, or compilation of information used by a business to obtain an advantage over competitors within the same industry or profession. ... A non-disclosure agreement (NDA), also called a confidential disclosure agreement (CDA), confidentiality agreement or secrecy agreement, is a legal contract between at least two parties which outlines confidential materials or knowledge the parties wish to share with one another for certain purposes, but wish to restrict from generalized use. ...


Name ambiguity

The phrase "Closed source" is ambiguous because it implies licensing where the source code to a program is unavailable. However, if taken as being an antonym to Open source, it refers to software that does not meet the Open Source Definition, which is a subtly different meaning. Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public. ... The Open Source Definition is used by the Open Source Initiative to determine whether or not a software license can be considered open source. ...


Microsoft's Shared source is an example of licensing where the source code is made available but not under an Open source license. If Closed source is interpreted as referring to software that does not meet the Open Source Definition, then Shared source is an example of Closed source licensing. However, if it is interpreted as simply referring to programs where the source code is not available, this isn't the case. Shared source is a type of licensing program that allows controlled access to full or limited amounts of product source code. ... An open-source license is a copyright license for computer software that makes the source code available under terms that allow for modification and royalty-free redistribution. ...


See also


  Results from FactBites:
 
Closed source - Wikipedia, the free encyclopedia (239 words)
Closed source is an antonym for open source software and refers to any program whose license does not meet the definition of open source software.
The phrase "Closed source" is ambiguous because it implies licensing where the source code to a program is unavailable.
Microsoft's Shared source is an example of licensing where the source code is made available but not under an Open source license.
Open vs. Closed Source Software (1529 words)
The reasons for writing open source software range from those who have a passion for computing and who want to contribute to make a difference to those who do not like having to rely on any single company to produce what is needed.
Unlike closed source software, the software is normally provided without warranty and you have no recourse should the software malfunction or not perform, there is also no guarantee of good documentation or support.
In the author's opinion, the abilities and friendliness of open and closed source software are merging, and the real showdown will happen in five to ten years when the only real difference between the two classes will be the cost.
  More results at FactBites »

 
 

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