Keys is well known software solution on the market. This program has many benefits beyond compare. Keys is installed on many PCs worldwide.
Great alternative to Keys software is Keyboard LEDs program. There are other software alternates, ether free or commercial. Comparison of different software utilities and Keys program is available at KEYBOARD-LEDS.COM website.
Alternate to Keys
Other alternatives to Keys product are described at KEYBOARD-LEDS.COM site. Here is a list of possible computer programs to replace Keys software:
You may find interesting Keyboard LEDs software as alternative Keys solution. Free evaluation version of Keyboard LEDs is also available at this web site.