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<h1 id="firstHeading" class="firstHeading" lang="en"><span dir="auto">MIT License</span></h1>
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<div id="siteSub">From Wikipedia, the free encyclopedia</div>
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<caption>MIT License</caption>
<tr>
<th scope="row" style="text-align:left;width:45%;;">Author</th>
<td style="width:55%;;"><a href="/wiki/Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a></td>
</tr>
<tr>
<th scope="row" style="text-align:left;width:45%;;"><a href="/wiki/Publishing" title="Publishing">Publisher</a></th>
<td style="width:55%;;">Massachusetts Institute of Technology</td>
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<th scope="row" style="text-align:left;width:45%;;">Published</th>
<td style="width:55%;;">1988<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (February 2012)">citation needed</span></a></i>]</sup></td>
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<tr>
<th scope="row" style="text-align:left;width:45%;;"><a href="/wiki/Debian_Free_Software_Guidelines" title="Debian Free Software Guidelines">DFSG</a> compatible</th>
<td style="width:55%;;">Yes</td>
</tr>
<tr>
<th scope="row" style="text-align:left;width:45%;;"><a href="/wiki/List_of_FSF-approved_software_licenses" title="List of FSF-approved software licenses" class="mw-redirect">FSF approved</a></th>
<td style="width:55%;;">Yes</td>
</tr>
<tr>
<th scope="row" style="text-align:left;width:45%;;"><a href="/wiki/Open-source_license#OSI_approved_licenses" title="Open-source license">OSI approved</a></th>
<td style="width:55%;;">Yes</td>
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<th scope="row" style="text-align:left;width:45%;;"><a href="/wiki/GPL_compatible" title="GPL compatible" class="mw-redirect">GPL compatible</a></th>
<td style="width:55%;;">Yes</td>
</tr>
<tr>
<th scope="row" style="text-align:left;width:45%;;"><a href="/wiki/Copyleft" title="Copyleft">Copyleft</a></th>
<td style="width:55%;;">No</td>
</tr>
<tr>
<th scope="row" style="text-align:left;width:45%;;"><a href="/wiki/GNU_Lesser_General_Public_License#Choosing_to_license_a_library_under_the_GPL_or_the_LGPL" title="GNU Lesser General Public License">Linking from code with a different license</a></th>
<td style="width:55%;;">Yes</td>
</tr>
</table>
<p>The <b>MIT License</b> is a <a href="/wiki/Free_software_license" title="Free software license">free software license</a> originating at the <a href="/wiki/Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a> (MIT).<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> It is a <a href="/wiki/Permissive_free_software_licence" title="Permissive free software licence">permissive free software license</a>, meaning that it permits reuse within <a href="/wiki/Proprietary_software" title="Proprietary software">proprietary software</a> provided all copies of the licensed software include a copy of the MIT License terms and the copyright notice. Such <a href="/wiki/Proprietary_software" title="Proprietary software">proprietary software</a> retains its proprietary nature even though it incorporates software under the MIT License. The license is also <a href="/wiki/GNU_General_Public_License#Compatibility_and_multi-licensing" title="GNU General Public License">GPL-compatible</a>, meaning that the <a href="/wiki/GPL" title="GPL" class="mw-redirect">GPL</a> permits combination and redistribution with software that uses the MIT License.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>2<span>]</span></a></sup></p>
<p>Notable <a href="/wiki/Computer_software" title="Computer software" class="mw-redirect">software packages</a> that use one of the versions of the MIT License include <a href="/wiki/Expat_(XML)" title="Expat (XML)" class="mw-redirect">Expat</a>, the <a href="/wiki/Mono_(software)" title="Mono (software)">Mono development platform</a> class libraries, <a href="/wiki/Ruby_on_Rails" title="Ruby on Rails">Ruby on Rails</a>, <a href="/wiki/Node.js" title="Node.js">Node.js</a>, <a href="/wiki/Lua_(programming_language)" title="Lua (programming language)">Lua</a> (from version 5.0 onwards), <a href="/wiki/Wayland_(display_server_protocol)" title="Wayland (display server protocol)">Wayland</a> and the <a href="/wiki/X_Window_System" title="X Window System">X Window System</a>, for which the license was written.</p>
<p></p>
<div id="toc" class="toc">
<div id="toctitle">
<h2>Contents</h2>
</div>
<ul>
<li class="toclevel-1 tocsection-1"><a href="#Various_versions"><span class="tocnumber">1</span> <span class="toctext">Various versions</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="#License_terms"><span class="tocnumber">2</span> <span class="toctext">License terms</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="#Comparison_to_other_licenses"><span class="tocnumber">3</span> <span class="toctext">Comparison to other licenses</span></a></li>
<li class="toclevel-1 tocsection-4"><a href="#See_also"><span class="tocnumber">4</span> <span class="toctext">See also</span></a></li>
<li class="toclevel-1 tocsection-5"><a href="#References"><span class="tocnumber">5</span> <span class="toctext">References</span></a></li>
<li class="toclevel-1 tocsection-6"><a href="#External_links"><span class="tocnumber">6</span> <span class="toctext">External links</span></a></li>
</ul>
</div>
<p></p>
<h2><span class="mw-headline" id="Various_versions">Various versions</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MIT_License&amp;action=edit&amp;section=1" title="Edit section: Various versions">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
<p>Because MIT has used many licenses for software, the <a href="/wiki/Free_Software_Foundation" title="Free Software Foundation">Free Software Foundation</a> considers "MIT License" ambiguous. "MIT License" may refer to the "Expat License" (used for Expat)<sup id="cite_ref-GUN-Expat_3-0" class="reference"><a href="#cite_note-GUN-Expat-3"><span>[</span>3<span>]</span></a></sup> or to the "X11 License" (also called "MIT/X Consortium License"; used for the <a href="/wiki/X_Window_System" title="X Window System">X Window System</a> by the <a href="/wiki/MIT_X_Consortium" title="MIT X Consortium" class="mw-redirect">MIT X Consortium</a>).<sup id="cite_ref-GUN-X11License_4-0" class="reference"><a href="#cite_note-GUN-X11License-4"><span>[</span>4<span>]</span></a></sup> The "MIT License" published on the official site of <a href="/wiki/Open_Source_Initiative" title="Open Source Initiative">Open Source Initiative</a><sup id="cite_ref-OSI-MIT_5-0" class="reference"><a href="#cite_note-OSI-MIT-5"><span>[</span>5<span>]</span></a></sup> is the same as the "Expat License".</p>
<p>Differing from the Expat License,<sup id="cite_ref-GUN-Expat_3-1" class="reference"><a href="#cite_note-GUN-Expat-3"><span>[</span>3<span>]</span></a></sup> the X11 License<sup id="cite_ref-GUN-X11License_4-1" class="reference"><a href="#cite_note-GUN-X11License-4"><span>[</span>4<span>]</span></a></sup> and the "MIT License" chosen for <a href="/wiki/Ncurses" title="Ncurses">ncurses</a> by the Free Software Foundation<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span>[</span>6<span>]</span></a></sup> include the clause:</p>
<blockquote class="templatequote">
<p>Except as contained in this notice, the name(s) of the above copyright holders shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization.</p>
</blockquote>
<h2><span class="mw-headline" id="License_terms">License terms</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MIT_License&amp;action=edit&amp;section=2" title="Edit section: License terms">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
<p>A common form of the MIT License (from OSI's official site, which is the same version as the "Expat License", and which is not identical to the X source code) is defined as follows:<sup id="cite_ref-OSI-MIT_5-1" class="reference"><a href="#cite_note-OSI-MIT-5"><span>[</span>5<span>]</span></a></sup></p>
<blockquote class="toccolours" style="float:none; padding: 10px 15px 10px 15px; display:table;">
<p>Copyright (c) &lt;year&gt; &lt;copyright holders&gt;<br /></p>
<p><br />
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:<br />
<br />
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.<br />
<br />
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</p>
</blockquote>
<h2><span class="mw-headline" id="Comparison_to_other_licenses">Comparison to other licenses</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MIT_License&amp;action=edit&amp;section=3" title="Edit section: Comparison to other licenses">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
<p>The MIT License is similar to the 3-clause "modified" <a href="/wiki/BSD_license#Terms" title="BSD license" class="mw-redirect">BSD license</a>, except that the BSD license contains a notice prohibiting the use of the name of the copyright holder in promotion. This is sometimes present in versions of the MIT License, as noted above.</p>
<p>The original BSD license also includes a clause requiring all advertising of the software to display a notice crediting its authors. This "advertising clause" (since disavowed by UC Berkeley<sup id="cite_ref-update_7-0" class="reference"><a href="#cite_note-update-7"><span>[</span>7<span>]</span></a></sup>) is present in the modified MIT License used by <a href="/wiki/XFree86_License" title="XFree86 License" class="mw-redirect">XFree86</a>.</p>
<p>The MIT License states more explicitly the rights given to the <a href="/wiki/End-user" title="End-user" class="mw-redirect">end-user</a>, including the right to use, copy, modify, merge, publish, distribute, sublicense, and/or sell the software. The MIT license also grants the right to sublicense<sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (August 2014)">clarification needed</span></a></i>]</sup>—a right not mentioned in the BSD license. Because the MIT license grants the right to sublicense, any distributor of MIT-licensed code has the right to grant a license to the entire code base,<sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Disputed_statement" title="Wikipedia:Disputed statement" class="mw-redirect"><span title="The material near this tag is possibly inaccurate or nonfactual. (August 2014)">dubious</span></a> <span class="metadata"> <a href="/wiki/Talk:MIT_License#vague_reference_to_.22entire_code_base.22" title="Talk:MIT License">discuss</a></span></i>]</sup> including components that were originally licensed under the MIT license by third parties.</p>
<p>Like the BSD license the MIT license does not include an express patent license. Both the BSD and the MIT licenses were drafted before the patentability of software was generally recognized under US law. <sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span>[</span>8<span>]</span></a></sup> The MIT license contains terms that blur<sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (August 2014)">clarification needed</span></a></i>]</sup> the legal line between copyright and patent grants such as "deal in," "use," and "sell." <sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span>[</span>9<span>]</span></a></sup> Whether a court might imply a patent grant under the MIT license remains an open question.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span>[</span>10<span>]</span></a></sup></p>
<p>The <a href="/wiki/Simplified_BSD_license" title="Simplified BSD license" class="mw-redirect">Simplified BSD license</a> used by <a href="/wiki/FreeBSD" title="FreeBSD">FreeBSD</a> is essentially identical<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2014)">citation needed</span></a></i>]</sup><sup class="noprint selfreference">[<i><a href="/wiki/Talk:MIT_License#tag_not_related_to_statement" title="Talk:MIT License">discuss</a></i>]</sup> to the MIT License, as it contains neither an advertising clause, nor a prohibition on promotional use of the copyright holder's name.</p>
<p>Also similar in terms is the <a href="/wiki/ISC_license" title="ISC license">ISC license</a>, which has simpler language.</p>
<p>The <a href="/wiki/University_of_Illinois/NCSA_Open_Source_License" title="University of Illinois/NCSA Open Source License">University of Illinois/NCSA Open Source License</a> combines text from both the MIT and BSD licenses; the license grant and disclaimer are taken from the MIT License.</p>
<h2><span class="mw-headline" id="See_also">See also</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MIT_License&amp;action=edit&amp;section=4" title="Edit section: See also">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
<ul>
<li><a href="/wiki/Category:Software_using_the_MIT_license" title="Category:Software using the MIT license">Category:Software using the MIT license</a></li>
<li><a href="/wiki/Comparison_of_free_and_open-source_software_licenses" title="Comparison of free and open-source software licenses">Comparison of free and open-source software licenses</a></li>
</ul>
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<h2><span class="mw-headline" id="References">References</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MIT_License&amp;action=edit&amp;section=5" title="Edit section: References">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
<div class="reflist" style="list-style-type: decimal;">
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">Lawrence Rosen, OPEN SOURCE LICENSING, p.85 (Prentice Hall PTR, 1st ed. 2004)</span></li>
<li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/license-list.html#GPLCompatibleLicenses">Various Licenses and Comments about Them GNU Project Free Software Foundation</a>. Gnu.org (1999-09-03). Retrieved on 2013-07-17.</span></li>
<li id="cite_note-GUN-Expat-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-GUN-Expat_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-GUN-Expat_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><span class="citation web">Stallman, Richard. <a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/license-list.html#Expat">"Various Licenses and Comments about Them # Expat License"</a>. Free Software Foundation<span class="reference-accessdate">. Retrieved 5 December 2010</span>.</span><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMIT+License&amp;rft.aufirst=Richard&amp;rft.aulast=Stallman&amp;rft.au=Stallman%2C+Richard&amp;rft.btitle=Various+Licenses+and+Comments+about+Them+%23+Expat+License&amp;rft.genre=book&amp;rft_id=https%3A%2F%2Fwww.gnu.org%2Flicenses%2Flicense-list.html%23Expat&amp;rft.pub=Free+Software+Foundation&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;">&#160;</span></span></span></li>
<li id="cite_note-GUN-X11License-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-GUN-X11License_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-GUN-X11License_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><span class="citation web">Stallman, Richard. <a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/license-list.html#X11License">"Various Licenses and Comments about Them # X11 License"</a>. Free Software Foundation<span class="reference-accessdate">. Retrieved 5 December 2010</span>.</span><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMIT+License&amp;rft.aufirst=Richard&amp;rft.aulast=Stallman&amp;rft.au=Stallman%2C+Richard&amp;rft.btitle=Various+Licenses+and+Comments+about+Them+%23+X11+License&amp;rft.genre=book&amp;rft_id=https%3A%2F%2Fwww.gnu.org%2Flicenses%2Flicense-list.html%23X11License&amp;rft.pub=Free+Software+Foundation&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;">&#160;</span></span></span></li>
<li id="cite_note-OSI-MIT-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-OSI-MIT_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-OSI-MIT_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><span class="citation web"><a rel="nofollow" class="external text" href="http://opensource.org/licenses/MIT">"Open Source Initiative OSI The MIT License:Licensing"</a>. Open Source Initiative<span class="reference-accessdate">. Retrieved 5 December 2010</span>.</span><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMIT+License&amp;rft.btitle=Open+Source+Initiative+OSI+%E2%80%93+The+MIT+License%3ALicensing&amp;rft.genre=book&amp;rft_id=http%3A%2F%2Fopensource.org%2Flicenses%2FMIT&amp;rft.pub=Open+Source+Initiative&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;">&#160;</span></span></span></li>
<li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><span class="citation web">Dickey, Thomas E. <a rel="nofollow" class="external text" href="http://invisible-island.net/ncurses/ncurses.faq.html#is_it_gpl">"NCURSES&#160;— Frequently Asked Questions (FAQ)"</a>.</span><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMIT+License&amp;rft.au=Dickey%2C+Thomas+E.&amp;rft.aufirst=Thomas+E.&amp;rft.aulast=Dickey&amp;rft.btitle=NCURSES%26nbsp%3B%E2%80%94+Frequently+Asked+Questions+%28FAQ%29&amp;rft.genre=book&amp;rft_id=http%3A%2F%2Finvisible-island.net%2Fncurses%2Fncurses.faq.html%23is_it_gpl&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;">&#160;</span></span></span></li>
<li id="cite_note-update-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-update_7-0">^</a></b></span> <span class="reference-text"><span class="citation web"><a rel="nofollow" class="external text" href="ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change">"To All Licensees, Distributors of Any Version of BSD"</a>. University of California, Berkeley. 1999-07-22<span class="reference-accessdate">. Retrieved 2006-11-15</span>.</span><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMIT+License&amp;rft.btitle=To+All+Licensees%2C+Distributors+of+Any+Version+of+BSD&amp;rft.date=1999-07-22&amp;rft.genre=book&amp;rft_id=ftp%3A%2F%2Fftp.cs.berkeley.edu%2Fpub%2F4bsd%2FREADME.Impt.License.Change&amp;rft.pub=University+of+California%2C+Berkeley&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;">&#160;</span></span></span></li>
<li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text">Stern and Allen, Open Source Licensing, p. 495 in Understanding the Intellectual Property License 2013 (Practicing Law Institute 2013)</span></li>
<li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text">Stern and Allen, supra, p. 495</span></li>
<li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">Christian H. Nadan, Closing the Loophole; Open Source Licensing and the Implied Patent License, THE COMPUTER AND INTERNET LAWYER, Vol. 26, No. 8 (Aug. 2009) available at <a rel="nofollow" class="external free" href="http://www.scribd.com/doc/46088081/Closing-the-Loophole-Open-Source-Licensing-and-the-Implied-Patent-License-Nadan">http://www.scribd.com/doc/46088081/Closing-the-Loophole-Open-Source-Licensing-and-the-Implied-Patent-License-Nadan</a> who argues that “By using patent terms like “deal in,” “use,” and “sell,” the MIT license grant is more likely to be deemed to include express patent rights than the BSD license.</span></li>
</ol>
</div>
<h2><span class="mw-headline" id="External_links">External links</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MIT_License&amp;action=edit&amp;section=6" title="Edit section: External links">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
<ul>
<li><a rel="nofollow" class="external text" href="https://fedoraproject.org/wiki/Licensing:MIT?rd=Licensing/MIT">MIT License variants</a></li>
<li><a rel="nofollow" class="external text" href="http://www.opensource.org/licenses/MIT">The MIT License template</a> (Open Source Initiative official site)</li>
<li><a rel="nofollow" class="external text" href="http://www.jclark.com/xml/copying.txt">Expat License</a></li>
<li><a rel="nofollow" class="external text" href="http://www.xfree86.org/3.3.6/COPYRIGHT2.html#3">X11 License</a></li>
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<div style="font-size:110%;"><a href="/wiki/Free_and_open-source_software" title="Free and open-source software">Free and open-source software</a></div>
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<th scope="row" class="navbox-group">General</th>
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<li><a href="/wiki/Alternative_terms_for_free_software" title="Alternative terms for free software">Alternative terms for free software</a></li>
<li><a href="/wiki/Comparison_of_open_source_and_closed_source" title="Comparison of open source and closed source">Comparison of open source and closed source</a></li>
<li><a href="/wiki/Comparison_of_open-source_software_hosting_facilities" title="Comparison of open-source software hosting facilities">Comparison of open-source software hosting facilities</a></li>
<li><a href="/wiki/List_of_formerly_proprietary_software" title="List of formerly proprietary software">Formerly proprietary software</a></li>
<li><a href="/wiki/List_of_free_and_open-source_Android_applications" title="List of free and open-source Android applications">Free and open-source Android applications</a></li>
<li><a href="/wiki/List_of_free_and_open-source_software_packages" title="List of free and open-source software packages">Free and open-source software packages</a></li>
<li><a href="/wiki/Free_software" title="Free software">Free software</a></li>
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<li><a href="/wiki/Linux" title="Linux">Linux</a></li>
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<li><a href="/wiki/Android_(operating_system)" title="Android (operating system)">Android Open Source Project</a></li>
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<li><a href="/wiki/FreeBSD_Foundation" title="FreeBSD Foundation">FreeBSD Foundation</a></li>
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<li><a href="/wiki/Software_Freedom_Conservancy" title="Software Freedom Conservancy">Software Freedom Conservancy</a></li>
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<li><a href="/wiki/VideoLAN" title="VideoLAN">VideoLAN Organization</a></li>
<li><a href="/wiki/Wikimedia_Foundation" title="Wikimedia Foundation">Wikimedia Foundation</a></li>
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<li><a href="/wiki/XMPP_Standards_Foundation" title="XMPP Standards Foundation">XMPP Standards Foundation</a></li>
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<li><a href="/wiki/Apache_License" title="Apache License">Apache</a></li>
<li><a href="/wiki/Artistic_License" title="Artistic License">Artistic</a></li>
<li><a href="/wiki/Beerware" title="Beerware">Beerware</a></li>
<li><a href="/wiki/Boost_Software_License" title="Boost Software License">Boost</a></li>
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<li><a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GNU GPL</a></li>
<li><a href="/wiki/GNU_Lesser_General_Public_License" title="GNU Lesser General Public License">GNU LGPL</a></li>
<li><a href="/wiki/ISC_license" title="ISC license">ISC</a></li>
<li><strong class="selflink">MIT</strong></li>
<li><a href="/wiki/Mozilla_Public_License" title="Mozilla Public License">MPL</a></li>
<li><a href="/wiki/Shared_source#Open_Source_licenses" title="Shared source">Ms-PL/RL</a></li>
<li><a href="/wiki/WTFPL" title="WTFPL">WTFPL</a></li>
<li><a href="/wiki/Zlib_License" title="Zlib License">zlib</a></li>
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<th scope="row" class="navbox-group">License types<br />
and standards</th>
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<div style="padding:0em 0.25em;">
<ul>
<li><a href="/wiki/Comparison_of_free_and_open-source_software_licenses" title="Comparison of free and open-source software licenses">Comparison of free and open-source software licenses</a></li>
<li><a href="/wiki/Contributor_License_Agreement" title="Contributor License Agreement">Contributor License Agreement</a></li>
<li><a href="/wiki/Copyfree" title="Copyfree">Copyfree</a></li>
<li><a href="/wiki/Copyleft" title="Copyleft">Copyleft</a></li>
<li><a href="/wiki/Debian_Free_Software_Guidelines" title="Debian Free Software Guidelines">Debian Free Software Guidelines</a></li>
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