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class="vector-toc-numb">2</span> <span>Functionality and features</span> </div> </a> <ul id="toc-Functionality_and_features-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Code_search" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Code_search"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Code search</span> </div> </a> <ul id="toc-Code_search-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " 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Available in 15 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-15" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">15 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D9%88%D8%A8%D9%86_%D9%87%D8%A8" title="أوبن هب – Arabic" lang="ar" hreflang="ar" data-title="أوبن هب" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Open_Hub" title="Open Hub – German" lang="de" hreflang="de" data-title="Open Hub" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Open_Hub" title="Open Hub – Spanish" lang="es" hreflang="es" data-title="Open Hub" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Black_Duck_Open_Hub" title="Black Duck Open Hub – French" lang="fr" hreflang="fr" data-title="Black Duck Open Hub" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%98%A4%ED%94%88_%ED%97%88%EB%B8%8C" title="오픈 허브 – Korean" lang="ko" hreflang="ko" data-title="오픈 허브" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Open_Hub" title="Open Hub – Italian" lang="it" hreflang="it" data-title="Open Hub" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Ohloh" title="Ohloh – Japanese" lang="ja" hreflang="ja" data-title="Ohloh" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Open_Hub" title="Open Hub – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Open Hub" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%D9%88%D9%BE%D9%86_%DB%81%D8%A8" title="اوپن ہب – Western Punjabi" lang="pnb" hreflang="pnb" data-title="اوپن ہب" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Open_Hub" title="Open Hub – Polish" lang="pl" hreflang="pl" data-title="Open Hub" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Black_Duck_Open_Hub" title="Black Duck Open Hub – Portuguese" lang="pt" hreflang="pt" data-title="Black Duck Open Hub" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Open_Hub" title="Open Hub – Russian" lang="ru" hreflang="ru" data-title="Open Hub" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/Open_Hub" title="Open Hub – Ukrainian" lang="uk" hreflang="uk" data-title="Open Hub" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%D9%88%D9%BE%D9%86_%DB%81%D8%A8" title="اوپن ہب – Urdu" lang="ur" hreflang="ur" data-title="اوپن ہب" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Open_Hub" title="Open Hub – Chinese" lang="zh" hreflang="zh" data-title="Open Hub" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q124688#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet 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</ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q124688" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Public directory of free and open source software (FOSS)</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard"><caption class="infobox-title fn org">Open Hub</caption><tbody><tr><th scope="row" class="infobox-label">Formerly</th><td class="infobox-data nickname">Ohloh</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Type of site</div></th><td class="infobox-data">Public directory of <a href="/wiki/Free_and_open-source_software" title="Free and open-source software">free and open-source software</a> (FOSS)</td></tr><tr><th scope="row" class="infobox-label">Owner</th><td class="infobox-data">Black Duck Software</td></tr><tr><th scope="row" class="infobox-label">Created by</th><td class="infobox-data">Jason Allen and Scott Collison</td></tr><tr><th scope="row" class="infobox-label">URL</th><td class="infobox-data url"><span class="url"><a rel="nofollow" class="external text" href="https://www.openhub.net">www<wbr />.openhub<wbr />.net</a></span> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q124688#P856" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Commercial</th><td class="infobox-data">yes</td></tr><tr><th scope="row" class="infobox-label">Launched</th><td class="infobox-data">1 January 2006<span class="noprint">; 18 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2006-01-01</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Current status</th><td class="infobox-data category">Active</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Content license</div></th><td class="infobox-data">Proprietary; interface <a href="/wiki/Apache_License" title="Apache License">Apache License</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Ohloh_logo_2012.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/6/65/Ohloh_logo_2012.png" decoding="async" width="150" height="50" class="mw-file-element" data-file-width="150" data-file-height="50" /></a><figcaption>Logo of Ohloh in 2012, the former name of Open Hub.</figcaption></figure> <p><b>Open Hub</b> or <b>Black Duck Open Hub</b> (formerly <b>Ohloh</b>)<sup id="cite_ref-About_2-0" class="reference"><a href="#cite_note-About-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> is a website which provides a <a href="/wiki/Web_service" title="Web service">web services</a> suite and <a href="/wiki/Online_community" title="Online community">online community</a> platform that aims to index the <a href="/wiki/Open-source_software_development" title="Open-source software development">open-source software development</a> community. It was founded by former <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a> managers Jason Allen and Scott Collison in 2004 and joined by the developer Robin Luckey.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> As of 15 January 2016<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Open_Hub&action=edit">[update]</a></sup>, the site lists 669,601 open-source projects, 681,345 source control repositories, 3,848,524 contributors and 31,688,426,179 lines of code.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>In 2017, <a href="/wiki/Black_Duck_Software" class="mw-redirect" title="Black Duck Software">Black Duck Software</a> (the company running the site) was acquired by <a href="/wiki/Synopsys" title="Synopsys">Synopsys</a> for $565 million,<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> however it was spun out as a separate company again in October 2024.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_Hub&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ohloh is a website that provides a <a href="/wiki/Web_service" title="Web service">web services</a> suite and <a href="/wiki/Online_community" title="Online community">online community</a> platform that aims to index the <a href="/wiki/Open-source_software_development" title="Open-source software development">open-source software development</a> community. It was founded by former <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a> managers Jason Allen and Scott Collison in 2004 and joined by the developer Robin Luckey.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> As of 15 January 2016<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Open_Hub&action=edit">[update]</a></sup>, the site lists 669,601 open-source projects, 681,345 source control repositories, 3,848,524 contributors and 31,688,426,179 lines of code.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> On 28 May 2009, Ohloh was acquired by <a href="/wiki/Geeknet" title="Geeknet">Geeknet</a>, owners of the popular open-source development platform <a href="/wiki/SourceForge" title="SourceForge">SourceForge</a>.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> However, Geeknet sold Ohloh to the open-source analysis company <a href="/wiki/Black_Duck_Software" class="mw-redirect" title="Black Duck Software">Black Duck Software</a> on 5 October 2010. Black Duck integrated Ohloh's functionality with their existing products to advance the site into a major resource for FOSS development.<sup id="cite_ref-ohloh-bd_12-0" class="reference"><a href="#cite_note-ohloh-bd-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> On 18 July 2014, Ohloh became Black Duck Open Hub.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> In late August 2014, the Black Duck Open Hub's Organizations feature moved out of Beta and into Version 1.0.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Functionality_and_features">Functionality and features</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_Hub&action=edit&section=2" title="Edit section: Functionality and features"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>By retrieving data from <a href="/wiki/Revision_control" class="mw-redirect" title="Revision control">revision control repositories</a> (such as <a href="/wiki/Concurrent_Versions_System" title="Concurrent Versions System">CVS</a>, <a href="/wiki/Apache_Subversion" title="Apache Subversion">SVN</a>, <a href="/wiki/Git" title="Git">Git</a>, <a href="/wiki/GNU_Bazaar" title="GNU Bazaar">Bazaar</a>, and <a href="/wiki/Mercurial" title="Mercurial">Mercurial</a>), Black Duck Open Hub provides statistics about the longevity of projects, their <a href="/wiki/Comparison_of_free_and_open-source_software_licenses" title="Comparison of free and open-source software licenses">licenses</a> (including license conflict information) and <a href="/wiki/Software_metric" title="Software metric">software metrics</a> such as <a href="/wiki/Source_lines_of_code" title="Source lines of code">source lines of code</a> and <a href="/wiki/Commit_(data_management)" title="Commit (data management)">commit</a> statistics. The <i>codebase history</i> informs about the amount of activity for each project. <i>Software stacks</i> (list of software applications used by Black Duck Open Hub's members) and <i>tags</i> are used to calculate the similarity between projects. </p><p><i>Global statistics</i> per language measure the popularity of specific <a href="/wiki/Programming_language" title="Programming language">programming languages</a> since the early 1990s.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Those global statistics across all projects in Black Duck Open Hub have also been used to identify those with the most extensive continuous revision control histories.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p><i>Contributor statistics</i> are also available, measuring open-source developers' experience as observable in code committed to revision control repositories. <a href="/wiki/Social_network" title="Social network">Social network</a> features (<i>kudos</i>) have been introduced to allow users to rank open-source contributors. A <i>KudoRank</i> for each user and open-source contributor on a scale of 1 to 10 is automatically extracted from all kudos in the system.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> The idea of measuring open-source developers' skills and productivity on the basis of commit statistics or mutual rating has received mixed reactions in technology blogs.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> Contributor profiles may also contain a contributor supplied email address, and avatars loaded from <a href="/wiki/Gravatar" title="Gravatar">Gravatar</a> using that email address. </p><p>On 22 August 2007, a public beta of a web-service <a href="/wiki/API" title="API">API</a> was announced, exposing Black Duck Open Hub's data and reports to promote the development of third-party applications.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>On 18 January 2013, the team announced a new metric, the Project Activity Indicator (PAI). The PAI combines the number of contributors and the number of commits in an algorithm that weighs more recent activity more heavily than past activity. Activity is normalized so that all projects can be considered and weighed equally one against another; that activity assessment is scaled relatively to the number of project contributors and commits.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>On 14 January 2014, the team announced a new score, the Project Hotness Score. The PAI shows long-term activity and growth on FOSS projects, but its requirement that there be at least a year of data means that new projects can't be ranked. The Project Hotness Score looks at activity over the past few weeks and evaluates daily activity to identify those projects. By design, the Project Hotness Score is highly volatile.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>On 6 April 2016, the team announced Hub 3.0, which streamlined continuous integration and DevOps processes through policy management and rapid scanning capabilities.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Code_search">Code search</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_Hub&action=edit&section=3" title="Edit section: Code search"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 2012, Black Duck Open Hub launched Open Hub Code Search, a free code search engine based on the predecessor <a href="/wiki/Koders" title="Koders">Koders</a>.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> It could search over 21 billion lines of open-source code and filter by language, project or syntax, but was discontinued in 2016.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_Hub&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid 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class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_Hub&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><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"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFblackducksoftware" class="citation web cs1">blackducksoftware. <a rel="nofollow" class="external text" href="https://github.com/blackducksoftware/ohloh-ui">"blackducksoftware/ohloh-ui: Web Application for the Ohloh Stack. 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Archived from <a rel="nofollow" class="external text" href="http://meta.ohloh.net/2012/07/ohloh-code-ohloh-code/">the original</a> on 18 May 2014<span class="reference-accessdate">. Retrieved <span class="nowrap">7 June</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Ohloh+Blog&rft.atitle=Ohloh+%2B+Code+%3D+Ohloh+Code&rft.aulast=Bily&rft.aufirst=Susie&rft_id=http%3A%2F%2Fmeta.ohloh.net%2F2012%2F07%2Fohloh-code-ohloh-code%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOpen+Hub" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://blog.openhub.net/2016/04/open-hub-in-2016/">"Open Hub in 2016"</a>. <i>OpenHub Blog</i><span class="reference-accessdate">. Retrieved <span class="nowrap">15 April</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=OpenHub+Blog&rft.atitle=Open+Hub+in+2016&rft_id=http%3A%2F%2Fblog.openhub.net%2F2016%2F04%2Fopen-hub-in-2016%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOpen+Hub" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_Hub&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output 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