PyQt is a Graphical User Interface widget toolkit. It is one of the most powerful and popular Python interfaces. PyQt is a free Python bindings software open-source widget-toolkit Qt, implemented for cross-platform application python desktop development framework. In the free version, certain features may not be available but if your application is open source then you can use it under a free license. PyQt is available on Windows, MacOSX, Linux, Android-iOS, and Raspberry Pi and different python versions ranging from v2 to Qt v5.
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