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<p data-role="credits-header"><a href="http://imageoptim.com">ImageOptim</a> by Kornel Lesiński and contributors is a GUI for 3rd party utilities:</p>

<ul>

<li data-role="credits-oxipng">

<a href="https://crates.rs/crates/oxipng">OxiPNG</a> by Josh Holmer,</li>

<li data-role="credits-pngcrush">

<a href="http://pmt.sourceforge.net/pngcrush/">PNGCrush</a> by Glenn Randers-Pehrson,</li>

<li data-role="credits-mozjpeg">

<a href="https://github.com/mozilla/mozjpeg">MozJPEG</a> by Mozilla and contributors,</li>

<li data-role="credits-zopfli">

<a href="https://github.com/google/zopfli">Zopfli</a> by Jyrki Alakuijala, Lode Vandevenne,</li>

<li data-role="credits-advpng">

<a href="http://advancemame.sourceforge.net/doc-advpng.html">AdvPNG</a> by Andrea Mazzoleni, Filipe Estima,</li>

<li data-role="credits-jpegoptim">

<a href="http://www.kokkonen.net/tjko/projects.html">Jpegoptim</a> by Timo Kokkonen,</li>

<li data-role="credits-gifsicle">

<a href="http://www.lcdf.org/gifsicle/">Gifsicle</a> by Eddie Kohler,</li>

<li data-role="credits-svgo">

<a href="https://github.com/svg/svgo">SVGO</a> by Kir Belevich,</li>

<li data-role="credits-svgcleaner">

<a href="https://github.com/RazrFalcon/svgcleaner">svgcleaner</a> by Evgeniy Reizner,</li>

<li data-role="credits-pngout">

and <a href="http://www.advsys.net/ken/utils.htm">PNGOUT</a> by Ken Silverman.</li>

</ul>

<br><p>ImageOptim can be redistributed and modified under <a href="http://www.gnu.org/licenses/old-licenses/gpl-2.0.html">GNU General Public License version 2 or later</a>.

Bundled PNGOUT is not covered by the GPL and is included with permission of Ardfry Imaging, LLC.</p>

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