Editing Qt (software) (section)

{{For|the company formerly known as Qt Software|Qt Group}}
{{Confuse|QuickTime}}

{{Use dmy dates|date=March 2025}}
{{Infobox software
| name = Qt (software)
| title = Qt
| logo = Qt logo neon 2022.svg
| logo size = 150px
| screenshot = Qt Creator 4 13 2 HeartRateGame.png
| collapsible = yes
| caption = GUI designing in [[Qt Creator]] using the embedded Qt Designer on [[Windows 10]]
| author = Haavard Nord and Eirik Chambe-Eng<ref name="oreilly-qt" />
| developer = {{unbulleted list|[[Trolltech]] (1991–2008)||[[Nokia]] (2008–2011)|[[Qt Project]] (2011–present)|Digia (2012–2014)||[[The Qt Company]] (2014–present)}}
| released = {{Start date and age|df=yes|1995|05|20}}<ref name="oreilly-qt" />
| latest release version = {{wikidata|property|edit|reference|P348}}
| latest release date = {{start date and age|{{wikidata|qualifier|P548=Q2804309|P348|P577}}}}
| programming language = [[C++]] ([[C++17]])
| operating system = [[Android (operating system)|Android]], [[Genode|Genode / Sculpt]], [[Haiku (operating system)|Haiku]], [[iOS]], [[Linux]] ([[Linux on embedded systems|embedded]], [[Wayland (display server protocol)|Wayland]], [[X Window System|X11]]), [[macOS]], [[Microsoft Windows]], [[WebAssembly]], [[List of platforms supported by Qt|...]]<ref>{{cite web|url=https://doc.qt.io/qt-5/supported-platforms.html|title=Supported Platforms}}</ref><!-- In Infobox reference platforms only for brevity reasons. -->
| platform = [[Cross-platform]]
| size = 
| genre = [[Cross-platform software]] and [[Software development tools]]
| license = {{Plainlist|
* [[Qt Commercial License]]<ref name="Qt Commercial Licenses"/>
* [[GNU General Public License|GPL 2.0, 3.0]]<ref name="Qt Licensing 2016"/>
* [[GNU Lesser General Public License|LGPL 3.0]]<ref name="Adding LGPLv3">{{cite web |url=https://blog.qt.io/blog/2014/08/20/adding-lgpl-v3-to-qt/ |title=Adding LGPL v3 to Qt |date=20 August 2014}}</ref>}}
| website = {{URL|https://www.qt.io}}
}}
{{Short description|Object-oriented framework for software development}}

'''Qt''' ({{IPA|/ˈkjuːt/}} pronounced "cute"<ref>{{cite web|url=https://www.qt.io/about-us/|title=Qt - About Us|archive-url=https://web.archive.org/web/20170222172844/https://www.qt.io/about-us/|archive-date=22 February 2017}}</ref><ref>{{cite web |url=http://bits.blogs.nytimes.com/2010/02/16/that-smartphone-is-so-qt/ |title=That Smartphone Is So Qt |date=16 February 2010 |author=Ashlee Vance |author-link=Ashlee Vance |access-date=19 February 2010 }}</ref>) is a cross-platform application development framework for creating [[graphical user interfaces]] as well as [[Cross-platform software|cross-platform]] applications that run on various software and hardware platforms such as [[Linux]], [[Windows]], [[macOS]], [[Android (operating system)|Android]] or [[embedded system]]s with little or no change in the underlying codebase while still being a native application with native capabilities and speed.

Qt is currently being developed by [[The Qt Company]], a publicly listed company, and the [[Qt Project]] under [[open-source governance]], involving individual developers and organizations working to advance Qt.<ref>{{cite web|url=https://dot.kde.org/2011/10/21/kde-applauds-qts-move-open-governance |title=KDE Applauds Qt's Move to Open Governance |publisher=KDE.News |first=Lydia|last=Pintscher |date=21 October 2011 |access-date=8 May 2013}}</ref><ref>{{cite news|last=Meyer |first=David |url=https://www.zdnet.com/article/nokia-gives-qt-open-source-governance/ |title=Nokia gives Qt open-source governance |work=ZDNet |date=24 October 2011 |access-date=8 May 2013}}</ref><ref>{{cite web|url=https://blog.qt.io/blog/2014/08/06/defragmenting-qt-and-uniting-our-ecosystem/|title=Defragmenting Qt and Uniting Our Ecosystem|first1=Lars|last1=Knoll|date=6 August 2014}}</ref> Qt is available under both commercial licenses<ref name="Qt Commercial Licenses" /> and [[open-source]]<ref name="Qt Licensing" /> [[GNU General Public License|GPL]] 2.0, GPL 3.0, and [[GNU Lesser General Public License|LGPL]] 3.0 licenses.<ref name="Qt Licensing 2016" /><ref name="Adding LGPLv3" />