Qt
Original authorsHaavard Nord and Eirik Chambe-Eng1
Developers• Trolltech (1991–2008)
• Nokia (2008–2011)
• Qt Project (2011–present)
• Digia (2012–2014)
• The Qt Company (2014–present)
Release20 May 19951
Stable release6.11.12 / 13 May 2026
Written inC++ (C++17)
Operating systemAndroid, Genode / Sculpt, Haiku, iOS, Linux (embedded, Wayland, X11), macOS, Microsoft Windows, WebAssembly, …3
PlatformCross-platform
TypeCross-platform software and Software development tools
License• Qt Commercial License 4
• GPL 2.0, 3.0 5
• LGPL 3.0 6
Websitewww.qt.io
Repository• code .qt .io /cgit /qt /qtbase .git /

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Footnotes

  1. Blanchette, Jasmin; Summerfield, Mark (June 2006). “A Brief History of Qt”. C++ GUI Programming with Qt 4 (1st ed.). Prentice-Hall. pp. xv–xvii. Archived from the original on 23 September 2019. Retrieved 5 August 2013. 2

  2. “Qt 6.11.1 Released”. 13 May 2026. Retrieved 13 May 2026.

  3. “Supported Platforms”.

  4. “Licenses”.

  5. “New agreement with the KDE Free Qt Foundation and changes for the open source version”. The Qt Company. Archived from the original on 14 January 2016.

  6. “Adding LGPL v3 to Qt”. 20 August 2014.