WinHide.SB
It conceals the windows of visible programs of your own choice (including from the taskbar). When “Hide an active window” is switched on, the analogue of the “anti-boss” key is added to the window that is active at this moment. “Hotlist” – the windows are hidden when you press the “anti-boss”. Permanently hide windows – it automatically hides chosen windows. Hide programs in Task Manager. The change/shutdown of the icon of the program in the system tray.