1)   Hide Master 1.82
Hide Master is powerful but easy to use tool for hiding windows and programs. Hide Master allows you to hide (and unhide) specified windows and groups of windows by pressing a combination of Hotkeys.

 2)   OneClick Quick Hide Window 1.8
OneClick Hide Window helps you to hide all active program window immediately by click left&right mouse buttons. You can hide the browser windows, folder windows, applications windows, all windows in a flash time. Hide window by oneclick now!

 3)   Hide Window Now 2.5
Hide Window Now can help you to hide all running programs in seconds by a Mouse Hotkey or Keyboard Hotkey. (Mouse Hotkey: Press left button, Click right button.)