No borders for Windows

Here are two utilities from the Autoit forum. HideCaption and AltMove.
Hidecaption remvoes titlebars and borders,AltMove helps in positioning and resizing border less

   Autoit Forum

Synfig screen shot.

Win+q removes caption on active windows
To move a window with a hidden caption bar, activate the system menu (Alt+space) or use the utility AltMove

Scroll down the autoit forum page there is even code examples how they did it.