One of the most advacned development tools of any environment is KDE’s UI scripting environment (aka DCOP) and a GUI scripting tool by the name of Kommander.
What is amazing is that the bulk of execution time is actually done by the KDE application binaries themselves; meaning that Kommander applications run almost as fast as stright C++/KDE/QT apps. Peviosuly I have talked about kdialog and its uses as a GUI interface for commandline scripts. Kommander takes this functionality to the Nth power.
Couple other quick KDE tutorials are: