Maloja - Simple self-hosted music scrobble database to create personal listening statistics.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Pano Scrobbler - Scrobble to lastFM from anything which produces audio with metadata, including video streaming...
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
ListenBrainz - Open source music website that allows users to import their listen history.
TuneIn Radio - With TuneIn Radio Mobile, your mobile device becomes the radio.