ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!
DeskPins - DeskPins can be used to make any application topmost, that is, to keep it above all other windows.
Bg Eraser - Background Eraser on Mac and Windows.
WindowTop - Easly set any window on top, just move the mouse to the top area of the window.
BatchInpaint - BatchInpaint is a batch version of a popular software Inpaint.
Skybn Window On Top - Window on Top can be used to make any application topmost,that is to keep it above all other windows.