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!
AllTray - AllTray is a program you can use on Unix-like systems such as GNU/Linux or FreeBSD running the X...
Minime - Minime is a tool that allows you to minimize applications to the system tray using a simple hotkey.
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.
Clicky Gone - Clicky Gone allows you to hide your selected windows from view, this includes the taskbar button...