SmartSystemMenu - SmartSystemMenu extends system menu of all windows in the system
4t Tray Minimizer - 4t Tray Minimizer Free/Pro - Minimize Outlook, Internet Explorer, Firefox, Chrome and any other applications to the system tray!
DeskPins - DeskPins can be used to make any application topmost, that is, to keep it above all other windows.
Minime - Minime is a tool that allows you to minimize applications to the system tray using a simple hotkey.
KDocker - KDocker will help you dock any application into the system tray.
Clicky Gone - Clicky Gone allows you to hide your selected windows from view, this includes the taskbar button...