DeskPins - DeskPins can be used to make any application topmost, that is, to keep it above all other windows.
WindowTop - Easly set any window on top, just move the mouse to the top area of the window.
Skybn Window On Top - Window on Top can be used to make any application topmost,that is to keep it above all other windows.
PowerMenu - PowerMenu is a small application that some extra menu items to the windows control menu in addition...
TurboTop - Keeps your windows "Always on Top"
Stay On Top - Set a window to stay on top with this single-function but handy application.