The 2.1.39 version of Last.fm Scrobbler for Mac is available as a free download on our website. This free Mac app was originally designed by David Šabata. The software is categorized as Internet & Network Tools.
From the developer:
Last.fm Scrobbler is created for people who listen to music online through their browser, and would like to keep an updated playback history using Last.fm's scrobbling service. The scrobbler status is shown on the right side of the address bar. Optionally you can enable desktop notifications of now playing songs.
You may want to check out more software for Mac, such as ElectroWave.FM, Poolside FM or SimpleScrobbler, which might be similar to Last.fm Scrobbler.