Track your playback from all your Spotify (unofficial) Connect devices to last.fm without having to set it up on every device.

As the public version seems to be at its user limit, I guess I have to run my own instance here. Fortunately, the script is available and I already started to hack together a Docker container to host a running instance of the script. Check the development at https://github.com/egoexpress/docker-listenz/.