<!DOCTYPE html><html><head><title>open source software at DuckDuckGo</title></head><body>
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  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://opensource.org/osd" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://opensource.org/osd</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://opensource.org/osd" rel="noopener"><span>The Open Source Definition | Open Source Initiative</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Open source does not just mean access to the source code. The distribution terms of open source software must comply with the following criteria.</span></div></div>
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  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://en.wikipedia.org/wiki/Open-source_software" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://en.wikipedia.org/wiki/Open-source_software</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://en.wikipedia.org/wiki/Open-source_software" rel="noopener"><span>Open-source software - Wikipedia</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Open-source software is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change, and distribute.</span></div></div>
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  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://github.com/explore" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://github.com/explore</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://github.com/explore" rel="noopener"><span>Explore GitHub - Open source projects</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Explore is your guide to finding your next project, catching up with what is trending, and connecting with the GitHub community.</span></div></div>
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  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://www.gnu.org/philosophy/free-sw.html" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://www.gnu.org/philosophy/free-sw.html</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://www.gnu.org/philosophy/free-sw.html" rel="noopener"><span>What is Free Software? - GNU Project</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Free software means software that respects users&#x27; freedom and community. Roughly, it means that the users have the freedom to run, copy, distribute, study, change.</span></div></div>
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<!DOCTYPE html><html><head><title>open source software at DuckDuckGo</title></head><body>
<header><nav><a href="https://duckduckgo.com/settings">Settings and privacy preferences</a></nav></header>
<section data-testid="mainline"><ol class="react-results--main"><li data-layout="organic"><article data-testid="result" class="yQDlj3B5DI5YO8c8Ulio">
  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://opensource.org/osd" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://opensource.org/osd</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://opensource.org/osd" rel="noopener"><span>The Open Source Definition | Open Source Initiative</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Open source does not just mean access to the source code. The distribution terms of open source software must comply with the following criteria.</span></div></div>
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  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://en.wikipedia.org/wiki/Open-source_software" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://en.wikipedia.org/wiki/Open-source_software</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://en.wikipedia.org/wiki/Open-source_software" rel="noopener"><span>Open-source software - Wikipedia</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Open-source software is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change, and distribute.</span></div></div>
</article></li><li data-layout="organic"><article data-testid="result" class="yQDlj3B5DI5YO8c8Ulio">
  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://github.com/explore" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://github.com/explore</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://github.com/explore" rel="noopener"><span>Explore GitHub - Open source projects</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Explore is your guide to finding your next project, catching up with what is trending, and connecting with the GitHub community.</span></div></div>
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  <div class="OHr0VX9IuNcv6iakvT6A"><a href="https://www.gnu.org/philosophy/free-sw.html" rel="noopener" class="Rn_JXVtoPVAFyGkcaXyK">https://www.gnu.org/philosophy/free-sw.html</a></div>
  <h2 class="LnpumSThxEWMIsDdAT17"><a data-testid="result-title-a" href="https://www.gnu.org/philosophy/free-sw.html" rel="noopener"><span>What is Free Software? - GNU Project</span></a></h2>
  <div data-result="snippet" class="OgdwYG6KE2qthn9XQWFC"><div><span class="kY2IgmnCmOGjharHErah">Free software means software that respects users&#x27; freedom and community. Roughly, it means that the users have the freedom to run, copy, distribute, study, change.</span></div></div>
</article></li></ol></section>
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