
GTK
Free and open-source cross-platform widget toolkit for creating graphical user interfaces / From Wikipedia, the free encyclopedia
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GTK (formerly GIMP ToolKit[2] and GTK+[3]) is a free and open-source cross-platform widget toolkit for creating graphical user interfaces (GUIs).[4] It is licensed under the terms of the GNU Lesser General Public License, allowing both free and proprietary software to use it. It is one of the most popular toolkits for the Wayland and X11 windowing systems.[5]
Free and open-source cross-platform widget toolkit for creating graphical user interfaces
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![]() GTK version 4 (gtk4-widget-factory, a collection of examples that demonstrate many of the GUI widgets) | |
Original author(s) | Spencer Kimball, Peter Mattis |
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Developer(s) | The GNOME Project, eXperimental Computing Facility (XCF) |
Initial release | April 14, 1998; 25 years ago (1998-04-14) |
Stable release | 4.10.1
/ March 14, 2023; 6 months ago (2023-03-14) |
Preview release | 4.11.1
/ April 3, 2023; 5 months ago (2023-04-03) |
Repository | |
Written in | C, CSS[1] |
Operating system | Linux, Unix-like, macOS, Windows |
Type | Widget toolkit |
License | LGPLv2.1+ |
Website | gtk |
The GTK team releases new versions on a regular basis.[6] GTK 4 and GTK 3 are maintained, while GTK 2 is end-of-life.[7] GTK1 is independently maintained by the CinePaint project.[8]