SmartSystemMenu extends system menu of all windows in the system. It appends next custom items to menu:




Clicky Gone is described as 'Allows you to hide your selected windows from view, this includes the taskbar button associated with the application. This utility particularly helps with protecting your privacy by hiding things like your browser with banking details up and someone walks in on you' and is a Window Manager in the os & utilities category. There are more than 10 alternatives to Clicky Gone for a variety of platforms, including Windows, Linux, Thunderbird, X11 and SeaMonkey apps. The best Clicky Gone alternative is SmartSystemMenu, which is both free and Open Source. Other great apps like Clicky Gone are RBTray, KDocker, 4t Tray Minimizer and PS Tray Factory.
SmartSystemMenu extends system menu of all windows in the system. It appends next custom items to menu:




Allows almost any program to be minimized to the system tray by right clicking its minimize button.

KDocker will help you dock any application into the system tray. This means you can dock Openoffice, xmms, Firefox, Thunderbird, anything!
Just point and click. Works for all NET WM compliant window managers - that includes KDE, GNOME, Xfce, Fluxbox and many more.



4t Tray Minimizer is a lightweight but powerful window manager, which helps you to free up space on the desktop and the taskbar via the following actions:




PS Tray Factory allows you to take a full control over icons in the system tray area of the taskbar. With PS Tray Factory you can: hide icons from system tray into menu, change the order of icons in the system tray (sort tray), restore tray icons after Explorer.

FireTray is system tray extension for Linux and Windows that targets Mozilla Firefox, Thunderbird and SeaMonkey.



Process Manager for Windows is a utility which allows you to to set process priority, minimize windows to the system tray, and more—all via taskbar window button right-click menus.



TrayIt! - minimize to the system icon tray any program (Outlook Express, Notepad, Word, Internet Explorer, Sunbird, Thunderbird, Opera, OpenOffice etc.) and get more room in the Taskbar!



NuonSoft ShellEnhancer is a powerfull utility designed to enhance the default shell of Windows. Learn more about ShellEnhancer.
Minime is a tool that allows you to minimize applications to the system tray using a simple hotkey. What makes this tool somewhat unique is that it keeps your system tray clean by minimizing all applications into a single tray icon.

A small program to show and hide windows in X window system. Most Linux distributions use a display server with X window system, you can easily hide and show windows using this program.


Best and most relevant alternative for Linux