NirCmd - NirCmd is a small utility that allows you to do many useful tasks from command-line, without displaying any user interface: change your display settings, turn off your monitor, open the door of your CD-ROM drive, and more...
Yad - Yad (yet another dialog) is a fork of Zenity with many improvements, such as custom buttons...
SBSettings - Access the important settings and functions of your jailbroken iPhone/iPod Touch directly on your...
Zenity - Zenity is a tool that allows you to display GTK dialog boxes in commandline and shell scripts.
TWAPI - The Tcl Windows API (TWAPI) extension provides Tcl bindings to the Windows API.
AutoHotkey - The ultimate automation scripting language for Windows.