TrayStatus - Do you have a notebook or keyboard without a NumLock or CapsLock indicator light? Do you have a computer without a hard drive activity light? If so, then TrayStatus is for you.
CapsLock Indicator - CapsLock Indicator is a small utility that indicates the state of the Num lock, Caps lock and Scroll lock key.
Keyboard LEDs - Indicators for Caps Lock, and Num Lock.
7Caps - On-screen indicators for Caps Lock and Num Lock.
Keyboard Indicator - Roi Dayan's Site
Keyboard Lights - View the current status of your Num Lock, Caps Lock and Scroll Lock keys.