qt是一個跨平台的C++應用程式開發框架，有時又被稱為C++部件工具箱。Qt被用在KDE桌面環境、Opera、OPIE、VoxOx、Google Earth、Skype和VirtualBox的開發中。它是諾基亞（Nokia）的Qt Development Frameworks部門的產品。-qt is a cross-platform C++ application development framework, sometimes referred to as C++ parts kit. Qt is used in KDE desktop environment, Opera, OPIE, VoxOx, Google Earth, Skype and VirtualBox' s development. It is the Nokia (Nokia) of Qt Development Frameworks sector products.