SmartSystemMenu - SmartSystemMenu extends system menu of all windows in the system
KDocker - KDocker will help you dock any application into the system tray.
RBTray - Allows almost any program to be minimized to the system tray by right clicking its minimize button.
4t Tray Minimizer - 4t Tray Minimizer Free/Pro - Minimize Outlook, Internet Explorer, Firefox, Chrome and any other applications to the system tray!
stalonetray - Stalonetray is a stand-alone system tray (notification area) for X Window System/X11. Working with virtually any EWMH-compliant window manager, it has minimal build and run-time dependencies (X11 lib only). Complete XEMBED support under development.
Actual Window Manager - Actual Window Manager 8. 11. 3..