Is it possible to make the Unity windows standalone player run borderless? This would be similar to the OSX Dashboard Widget.
`
function Start ()
{
if (Application.platform == RuntimePlatform.WindowsPlayer)
{
Screen.fullScreen = false;
print("Disable window border here");
}
}
`
Of course it’s easy. I do it by creating a shortcut or batch file that starts the exe, instead of running the exe file. For example, a batch file. This is just an example, so say our EXE name is RUN.EXE. You would open Notepad, type the following:
start RUN.EXE -popupwindow
Then File> Save as> and in the filename where it says .txt originally, just remove that and use an asterick and a bat extension (*.bat) Hit ENTER, then it will know you want to save as a bat file. Now just type in a name like Launcher.bat, don’t forget to remove the asterick but keep the .bat extension. Now you would run this Launcher file. The argument -popupwindow is what allows your Unity Standalone EXE to run without borders 
There is now a setting in Player Settings for the fullscreen mode. Set it to Fullscreen Window.
You can use external tools such as AutoHotKey to get rid of the window decorations/borders/title. Note however that Unity's rendering canvas will be scaled, not resized, so you will lose some Anti-Aliasing quality - unless you have AA disabled, in which case you will gain some antialiasing due to the interpolated scaling.
Take a look at this thread for detailed information: http://forums.darkfallonline.com/showthread.php?t=242644
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I just uploaded a unity build-in plugin that lets you do exactly what you ask for (Removing window borders and gives you the ability to move and resize the window through code)
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Using user32.dll