BlackMe is a tool that turns the screen off while you don't need it.
You can use it while logging gps data (for example with WMMiniGPS), when you connect your device to the desktop to sync/recharge it, when you're listening to music with an mp3 player, etc...The best method to use this program is to associate a button to it (through Settings->Buttons)
Screen Switch is a Pocket PC software that turn off screen of your PDA to save battery. It's very easy to use. Run the program, and the screen will be off. But the PDA is still working. It's useful to play music like mp3. To turn on the screen again, push the power button. Update Description:
v1
Answerkeys Disabler locks the touch screen of your HTC Touch Diamond/Pro/HD when someone calls you. Simply having the program running in the background solves the problem of accepting or rejecting calls before you got your phone out of your pants
Lumos is fully customizable automatic backlight level changer developed as a complete replacement for stock HTC auto-backlight service. A wide range of HTC branded devices is supported starting from HTC Diamond/Touch Pro up to the current WM flagship HD2
FastSettings is a Windows Mobile program that allows you to control volume and backlight level. The main advantage is a finger friendly interface. It works fine on SE xperia x1, also, all the features are supposed to work on most of the latest HTC phones such as touch HD or Diamond
KeepScreenReadable is a program for optional keeping backlight and changing orientation when specified application was executed. It doesn't look for specified app in process list but creates special shortcut to itself instead then executes your app from itself. So you can create a shortcut to a reader (PocketDjvu, FoxitReader, Alreader2), GPS navigation app etc
LEDFlasher - turns the camera LED light into a variable length flasher. Simply tap the button and adjust the speed slider to power on the camera LED to the desired speed. It works on Omnia Lite, Omnia Pro, Armani, Omnia II, SCH i920, Omnia II, TOmnia II, Jack, Intrepid and Oz Omnia
Tired of the display backlight going out when you are looking at the screen - e.g. while thinking about the right word for an sms? Wouldn't it be nice if your phone knew when you needed the light and when not? SmartLight does just that: Once you have opened an application, the backlight stays on - until you close or hide the application, switching the light off automatically