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Qt (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 a native application with native ...
GNU Octave is a scientific programming language for scientific computing and numerical computation. Octave helps in solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with MATLAB. It may also be used as a batch-oriented language.
QML (Qt Modeling Language[4]) is a user interface markup language. It is a declarative language (similar to CSS and JSON) for designing user interface–centric applications. Inline JavaScript code handles imperative aspects. It is associated with Qt Quick, the UI creation kit originally developed by Nokia within the Qt framework.
In 2000, Qt 2.2 was released under the GPL v2, ending all controversy regarding GPL compatibility. [6] On 28 January 2008 Nokia announced to acquire Trolltech. [7] [8] On 14 January 2009 Qt version 4.5 was relicensed, adding LGPL as licensing option. [9] The Qt Project was founded on 21 October 2011.
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]
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.
gnuplot is a command-line and GUI program that can generate two- and three-dimensional plots of functions, data, and data fits. The program runs on all major computers and operating systems (Linux, Unix, Microsoft Windows, macOS, FreeDOS, and many others). [3] Originally released in 1986, its listed authors are Thomas Williams, Colin Kelley ...
Signals and slots. Signals and slots is a language construct introduced in Qt [1] for communication between objects which makes it easy to implement the observer pattern while avoiding boilerplate code. The concept is that GUI widgets, and other objects, can send signals containing event information which can be received by other objects using ...