Qt is a cross-platform C++ graphical user interface application development framework developed by QtCompany in 199 1 It can be used to develop GUI programs and non-GUI programs, such as console tools and servers. Qt is an object-oriented framework, which uses special code to generate extensions (called MetaObjectCompiler (moc)) and some macros. Qt is easy to extend and allows real component programming.

In April of 20 14, the cross-platform integrated development environment QtCreator3, 1 0 was officially released, which realized comprehensive support for iOS, added plug-ins such as WinRT and Beautifier, abandoned GDB debugging support without Python interface, integrated C/C++ code module based on Clang, and adjusted Android support, thus realizing comprehensive support for iOS and Android.