Sites relating to the TrollTech C++ library Qt.
Qt is a cross-platform C++ GUI application development framework. Qt simplifies the task of writing and maintaining GUI (graphical user interface) applications. Qt is written in C++ and is fully object-oriented. It consists of a C++ class library shipped in source code, a collection of extension modules (including XML, Network, Database and OpenGL) and three development tools Qt Designer (visual GUI design), Qt Linguist (internationalization) and Qt Assistant (online help).
Currently the Unix/Linux version is freely available, the version for Microsoft Windows is supported commercially.