These documents describe platform-specific features provided by Qt, and discuss issues related to particular platforms and environments.
Qt API's for using ActiveX controls, servers, and COM.
You can't. But don't despair, there is a way...
Information for developing Qt applications for Mac OS X
Links to online resources stating known issues in this Qt version at the time of release.
Information about the platforms on which Qt can be used.
Information about the state of support for the Symbian platform.
Classes that are specific to Qt for Embedded Linux.
Documents related to Qt for Embedded Platforms.
A description of issues with Qt that are specific to Mac OS X.
An explanation of Qt's native features on Mac OS X.
Platform support for Embedded Linux.
Platform support for Linux/X11.
Platform support for Mac OS X.
Platform support for Symbian.
Platform support for Windows.
The platforms supported by Nokia for Qt.
Describes the use and license of the qtmain helper library.
Collections of notes about Qt implementations on different window systems.