TrayStatus is a small utility designed to provide indicator lights for caps lock, number lock, scroll lock, and hard drive activity status right in your systray.

Do you have a notebook or keyboard without a number lock or caps lock indicator light? Or do you have a computer without a hard drive activity light? If so, then TrayStatus is for you. You can quickly enable/disable features depending on what information you would like to see.

TrayStatus can show you the following information in your taskbar's notification area (system tray):

Num Lock status

Caps Lock status

Scroll Lock status

Alt key status

Ctrl key status

Shift key status

Windows key status

Hard Drive activity (read or write) with current speed in a tooltip

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Limitations:
Free version includes a 30-Day Trial for the Pro version ($10.0+) and additionally includes these features:

CPU Usage

Memory Usage

Audio Playback Status

Custom Performance Counter Indicators

Editor's Note:
Free version includes a 30-Day Trial for the Pro version