Open source: Difference between revisions

OSI approved licences
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[[Category:Encyclopedia]]
[[Category:Encyclopedia]]'''Open source''' or '''open-source''' is the idea that source code for a piece of software is freely available for viewing and modifying. The term "Open Source" is a trademark of the [http://www.opensource.org/ Open Source Initiative]; This means that OSI must approve of a license before it can be described as an open-source license.
 
[[Category:Encyclopedia]]'''Open source''' or '''open-source''' is the idea that source code for a piece of software is freely available for viewing and modifying. Many Theopen termsource "Openlicences Source"are isapproved a trademark ofby the [http://www.opensource.org/ Open Source Initiative];. ThisOpen meanssource thatlicences OSIapproved mustby approvethe ofOpen aSource licenseInitiative before it canmay be describedreferred to as an'''OSI open-sourceapproved licenselicences'''.
The [[MIT/X11 License]] is an example of an open source license.
 
The [[MIT/X11 License]] isand anthe example[[GPL]] ofare anexamples of open source licenselicenses.
 
It should be noted that while the term "open source" has gained wide-spread acceptance, there are still those who reject it. The most visible example is [[wp:Richard Stallman|Richard Stallman]], founder of the GNU Project and author of the GPL and several widely-used software packages, who instead continues to use the older term '''free software'''. (For a brief discussion of his reasons, see the Terminology section of his Wikipedia entry.) The possible confusion of the word "free" prompted Stallman to explain it this way:
<blockquote>"Free software" is a matter of liberty, not price. To understand the concept, you should think of "free" as in "free speech," not as in "free beer."</blockquote>
 
==See Also==
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* [http://www.opensource.org/docs/osd The Open Source Definition]
* [http://www.opensource.org/licenses List of Open Source Licenses]
* [http://www.gnu.org/philosophy/free-sw.html The Free Software Definition]
* [http://www.gnu.org/philosophy/open-source-misses-the-point.html Why Open Source misses the point of Free Software]