HiddeX - Tiny portable freeware application for Windows that can easily hide any window, program, browser or...
Taskbar Hide - Taskbar, Application Window and System Tray Icon Hider.
task-homie - Completely hide auto-hidden Windows taskbars
Hide Taskbar - Tiny app to hide the Windows taskbar using keyboard shortcuts
Anti Boss Key - Free screen privacy tool, Instantly hide any program when your boss comes around the corner
Zabbix - Track, record, alert and visualize performance and availability of IT resources