<pclass="lead">Bootstrap is released under the Apache 2 license. Boiled down to smaller chunks, it can be described with the following conditions.</p>
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<h4>It allows you to:</h4>
<ul>
<li>Freely download and use Twitter open source software, in whole or in part, for personal, company internal or commercial purposes</li>
<li>Use Twitter open source software in packages or distributions that you create</li>
</ul>
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<h4>It forbids you to:</h4>
<ul>
<li>Redistribute any piece of Twitter open source originated software without proper attribution</li>
<li>Use any marks owned by Twitter in any way that might state or imply that Twitter endorses your distribution</li>
<li>Use any marks owned by Twitter in any way that might state or imply that you created the Twitter software in question</li>
</ul>
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<h4>It requires you to:</h4>
<ul>
<li>Include a copy of the license in any redistribution you may make that includes Twitter software</li>
<li>Provide clear attribution to Twitter for any distributions that include Twitter open source software</li>
</ul>
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<h4>It does not require you to:</h4>
<ul>
<li>Include the source of the Twitter software itself, or of any modifications you may have made to it, in any redistribution you may assemble that includes it</li>
<li>Submit changes that you make to the software back to Twitter (though such feedback is encouraged)</li>
</ul>
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<p>The full Bootstrap license is located <ahref="https://github.com/twbs/bootstrap/blob/master/README.md">in the project repository</a> for more information.</p>