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. ↩