What is Qt?
Qt is a multi-platform GUI software toolkit developed by Troll Tech (www.troll.no). An application written with Qt can be compiled on Unix/X11 as well as on Windows. While the user interface of amira 2.0 was based on Motif, all releases of amira 2.1 and later (including the Windows version) are based on Qt. For the end-user this guarantees that the set of features and the user interface will be compatible across all platforms.