github.com
Solaar is a Linux device manager for many Logitech keyboards, mice and other devices that connect wirelessly to a Unifying, Bolt, Lightspeed or Nano receiver, or via USB cable or Bluetooth. It is not a device driver and responds only to special messages from devices otherwise ignored by the Linux input system. It supports pairing and unpairing devices with receivers, configuring device settings, custom button configuration and running rules.