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Qt (/ˈkjuːt/ or /ˈkjuː ˈtiː/; pronounced "cute" [7] [8] or as an initialism) is a cross-platform application development framework for creating graphical user interfaces as well as cross-platform applications that run on various software and hardware platforms such as Linux, Windows, macOS, Android or embedded systems with little or no change in the underlying codebase while still being ...
It debuted during the later part of the Qt 4 era, starting with the release of Qt Creator, version 1.0 in March 2009 [5] and subsequently bundled with Qt 4.5 in SDK 2009.3. [ 6 ] This was at a time when the standalone Qt Designer application was still the widget layout tool of choice for developers.
PySide is a Python binding of the cross-platform GUI toolkit Qt developed by The Qt Company, as part of the Qt for Python project. It is one of the alternatives to the standard library package Tkinter. Like Qt, PySide is free software. PySide supports Linux/X11, macOS, and Microsoft Windows.
PyQt is a Python binding of the cross-platform GUI toolkit Qt, implemented as a Python plug-in.PyQt is free software developed by the British firm Riverbank Computing. It is available under similar terms to Qt versions older than 4.5; this means a variety of licenses including GNU General Public License (GPL) and commercial license, but not the GNU Lesser General Public License (LGPL). [3]
eric is licensed under the GNU General Public License version 3 or later and is thereby Free Software.This means in general terms that the source code of eric can be studied, changed and improved by anyone, that eric can be run for any purpose by anyone and that eric - and any changes or improvements that may have been made to it - can be redistributed by anyone to anyone as long as the ...
Until version 1.45 the source code of Qt was released under the Qt Free Edition License. [4] This was viewed as not compliant with the open source principle by the Open Source Initiative and the free software definition by Free Software Foundation because, while the source was available, it did not allow the redistribution of modified versions.
The Q Public License (QPL) is a non-copyleft license, created by the company Trolltech for its free software edition of the Qt toolkit and framework. It was used until Qt 3.0, until version 4.0 was released under the Free Software Foundation's (FSF) GNU General Public License (GPL) version 2.
Support for the popular DWG file format is available as a commercial plugin based on the Open Design Alliance DWG libraries. Starting from version 3.7 QCAD is distributed as Professional Trial that works for a limited time, or as Community Edition as source code only, so users need to self compile or remove the QCAD Professional add-on running ...