DeskPins - DeskPins can be used to make any application topmost, that is, to keep it above all other windows.
Background Remover Net - Remove background from your images fast and free
Skybn Window On Top - Window on Top can be used to make any application topmost,that is to keep it above all other windows.
Retoucher Online - Get white, transparent or custom background automatically in 2 seconds. Save your time, energy & money for creative tasks.
WindowTop - Easly set any window on top, just move the mouse to the top area of the window.
ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!