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<h1>The Free Software Definition</h1> |
<h2>The Free Software Definition</h2> |
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<p> |
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We maintain this free software definition to show clearly what must |
We maintain this free software definition to show clearly what must be |
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be true about a particular software program for it to be considered |
true about a particular software program for it to be considered free |
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free software. |
software. From time to time we revise this definition to clarify it. |
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If you would like to review the changes we've made, please see |
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the <a href="#History">History section</a> below for more information. |
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</p> |
</p> |
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<p> |
<p> |
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never refers to freedom</a>. |
never refers to freedom</a>. |
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</p> |
</p> |
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</div> |
<h2 id="History">History</h2> |
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<p>From time to time we revise this Free Software Definition to |
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clarify it. Here we provide a list of those modifications, along with |
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links to illustrate exactly what changed, so that others can review |
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them if they like.</p> |
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<ul> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.71&r2=1.72">Version |
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1.72</a>: Add this History section.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.56&r2=1.57">Version |
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1.57</a>: Add "Beyond Software" section.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.45&r2=1.46">Version |
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1.46</a>: Clarify whose purpose is significant in the freedom to run |
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the program for any purpose.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.40&r2=1.41">Version |
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1.41</a>: Clarify wording about contract-based licenses.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.39&r2=1.40">Version |
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1.40</a>: Explain that a free license must allow to you use other |
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available free software to create your modifications.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.38&r2=1.39">Version |
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1.39</a>: Note that it is acceptable for a license to require you to |
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provide source for versions of the software you put into public |
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use.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.30&r2=1.31">Version |
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1.31</a>: Note that it is acceptable for a license to require you to |
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identify yourself as the author of modifications. Other minor |
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clarifications throughout the text.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.22&r2=1.23">Version |
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1.23</a>: Address potential problems related to contract-based |
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licenses.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.15&r2=1.16">Version |
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1.16</a>: Explain why distribution of binaries is important.</li> |
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<li><a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&r1=1.10&r2=1.11">Version |
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1.11</a>: Note that a free license may require you to send a copy of |
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versions you distribute to the author.</li> |
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</ul> |
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<p>There are gaps in the version numbers because there are many other |
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changes that do not affect the substance of the definition at all. |
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Instead, they fix links, add translations, and so on. If you would |
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like to review the complete list of changes, you can do so on |
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our <a href="http://web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&view=log">cvsweb |
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interface</a>.</p> |
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</div> |
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<!--#include virtual="/server/footer.html" --> |
<!--#include virtual="/server/footer.html" --> |
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<div id="footer"> |
<div id="footer"> |
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<p><a href="/philosophy/philosophy.html">Other Texts to Read</a></p> |
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<p> |
<p> |
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Please send FSF & GNU inquiries to |
Please send FSF & GNU inquiries to |
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<a href="mailto:gnu@gnu.org"><em>gnu@gnu.org</em></a>. |
<a href="mailto:gnu@gnu.org"><em>gnu@gnu.org</em></a>. |
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There are also <a href="http://www.fsf.org/about/contact.html">other ways to contact</a> |
There are also <a href="/contact/">other ways to contact</a> |
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the FSF. |
the FSF. |
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<br /> |
<br /> |
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Please send broken links and other corrections (or suggestions) to |
Please send broken links and other corrections or suggestions to |
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<a href="mailto:webmasters@gnu.org"><em>webmasters@gnu.org</em></a>. |
<a href="mailto:webmasters@gnu.org"><em>webmasters@gnu.org</em></a>. |
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</p> |
</p> |
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<p> |
<p> |
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Please see the |
Please see the |
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<a href="/server/standards/README.translations">Translations |
<a href="/server/standards/README.translations.html">Translations |
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README</a> for information on coordinating and submitting |
README</a> for information on coordinating and submitting |
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translations of this article. |
translations of this article. |
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</p> |
</p> |
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</div> |
</div> |
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<div id="translations"> |
<div id="translations"> |
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<h3>Translations of this page:</h3> |
<h4>Translations of this page</h4> |
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<ul class="translations-list"> |
<ul class="translations-list"> |
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<li><a href="/philosophy/free-sw.af.html">Afrikaans</a> [af]</li> |
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<li><a href="/philosophy/free-sw.ar.html">العربية</a> [ar]</li> |
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<li><a href="/philosophy/free-sw.bs.html">Bosanski</a> [bs]</li> |
<li><a href="/philosophy/free-sw.bs.html">Bosanski</a> [bs]</li> |
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<li><a href="/philosophy/free-sw.ca.html">Català</a> [ca]</li> |
<li><a href="/philosophy/free-sw.ca.html">Català</a> [ca]</li> |
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<li><a href="/philosophy/free-sw.cn.html">简体中文</a> [cn]</li> |
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<li><a href="/philosophy/free-sw.zh.html">繁體中文</a> [zh]</li> |
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<!-- Czech --> |
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<li><a href="/philosophy/free-sw.cs.html">Česky</a> [cs]</li> |
<li><a href="/philosophy/free-sw.cs.html">Česky</a> [cs]</li> |
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<!-- Danish --> |
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<li><a href="/philosophy/free-sw.ja.html">日本語</a> [ja]</li> |
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<li><a href="/philosophy/free-sw.ko.html">한국어</a> [ko]</li> |
<li><a href="/philosophy/free-sw.ko.html">한국어</a> [ko]</li> |
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<!-- Norwegian Bokmål --> |
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<li><a href="/philosophy/free-sw.nb.html">Norsk (Bokmål)</a> [nb]</li> |
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<!-- Dutch --> |
<!-- Dutch --> |
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<li><a href="/philosophy/free-sw.nl.html">Nederlands</a> [nl]</li> |
<li><a href="/philosophy/free-sw.nl.html">Nederlands</a> [nl]</li> |
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<li><a href="/philosophy/free-sw.no.html">Norsk</a> [no]</li> |
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<li><a href="/philosophy/free-sw.pl.html">Polski</a> [pl]</li> |
<li><a href="/philosophy/free-sw.pl.html">Polski</a> [pl]</li> |
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<!-- Portuguese --> |
<!-- Brazilian Portuguese --> |
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<li><a href="/philosophy/free-sw.pt.html">Português</a> [pt]</li> |
<li><a href="/philosophy/free-sw.pt-br.html">português do Brasil</a> [pt-br]</li> |
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<!-- Romanian --> |
<!-- Romanian --> |
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<li><a href="/philosophy/free-sw.ro.html">Română</a> [ro]</li> |
<li><a href="/philosophy/free-sw.ro.html">Română</a> [ro]</li> |
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<!-- Russian --> |
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<li><a href="/philosophy/free-sw.sr.html">Српски</a> [sr]</li> |
<li><a href="/philosophy/free-sw.sr.html">Српски</a> [sr]</li> |
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<!-- Swedish --> |
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<li><a href="/philosophy/free-sw.sv.html">Svenska</a> [sv]</li> |
<li><a href="/philosophy/free-sw.sv.html">Svenska</a> [sv]</li> |
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<li><a href="/philosophy/free-sw.ta.html">தமிழ்</a> [ta]</li> |
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<!-- Tagalog --> |
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<li><a href="/philosophy/free-sw.tl.html">Tagalog</a> [tl]</li> |
<li><a href="/philosophy/free-sw.tl.html">Tagalog</a> [tl]</li> |
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<!-- Turkish --> |
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<li><a href="/philosophy/free-sw.tr.html">Türkçe</a> [tr]</li> |
<li><a href="/philosophy/free-sw.tr.html">Türkçe</a> [tr]</li> |
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