Editing Qt (software) (section)

=== Qt contributors ===
[[File:Qt contributors 2013W18 without Digia.png|thumb|upright=1.35|Distribution of non-Digia Qt contributors (2013, Week 18)]]
Aside from The Qt Company, many organizations and individuals using Qt as their development platform participate in the open development of Qt via the Qt Project.<ref name="Stats2012">{{cite web|last=Macieira |first=Thiago |url=http://www.macieira.org/blog/2012/04/qt-project-statistics/ |title=Qt Project Statistics | work=Thiago Macieira's blog |publisher=Macieira.org |access-date=8 May 2013}}</ref>

One such Qt contributor is Klarälvdalens Datakonsult AB, a Swedish Qt consulting company.<ref>{{cite web |url=http://www.kdab.com/kdab-contributions-to-qt-5-0-part-1/ |title=contributions to Qt 5.0 (part 1) |publisher=KDAB |date=20 December 2012 |access-date=8 May 2013}}</ref> KDAB is involved in many areas, including maintenance of several components.<ref>{{cite web|url=http://www.kdab.com/kdab-contributions-to-qt-5-0-part-2/ |title=contributions to Qt 5.0 (part 2) |publisher=KDAB |date=21 December 2012 |access-date=8 May 2013}}</ref><ref>{{cite web|url=http://www.kdab.com/maintaining-qt3d/ |title=Maintaining Qt3D |publisher=KDAB |date=21 December 2012 |access-date=8 May 2013}}</ref>

Together with [[BlackBerry (company)|RIM/BlackBerry]], KDAB is maintaining the [[QNX]] and [[BlackBerry 10]] ports of Qt.<ref name="Stats2012" /><ref>{{cite web |url=http://www.kdab.com/qt5-on-the-qnx-operating-system/ |title=Qt5 on the QNX operating system |publisher=KDAB |date=19 April 2012 |access-date=8 May 2013}}</ref>

Another participator is [[Intel]], contributing for example [[Wayland (display server protocol)|Wayland]] support.<ref>{{cite web|url=https://www.phoronix.com/scan.php?page=news_item&px=ODYyNQ |title=[Phoronix&#93; Qt Is Now Drawing On Wayland |publisher=Phoronix.com |date=21 September 2010 |access-date=8 May 2013}}</ref> [[AudioCodes]]  maintains [[IBM Rational ClearCase|IBM ClearCase]] support in [[Qt Creator]].<ref>{{cite web|url=http://wiki.qt.io/Maintainers |title=Maintainers &#124; Qt Wiki |publisher=Qt Project |date=12 April 2013 |access-date=8 May 2013}}</ref>

As a heavy user of Qt, the [[KDE]] project submits many patches and features from its developer library [[KDE Frameworks]] back to Qt.<ref>{{cite web|url=http://community.kde.org/Frameworks/Epics/Contributions_to_Qt5|title=Frameworks/Epics/Contributions to Qt5|publisher=KDE Community Wiki|access-date=27 April 2015}}</ref>