Ltunify

Many Logitech input peripherals - mostly mouse and keyboards, but also numpads, presenters, trackballs and touchpads - come with a unique USB receiver. If your peripherals and receiver are not paired from fabric, but support the Logitech Unifying technology, you can still pair them using the package.

The package is available for and  only.

Usage
The usage is trivial.

shows the devices actually paired.

removes a listed paired devices that doesn't exist anymore.

add a device simply asking to switch it off and on.

shows a complete help.

External resources
Source code