.fm is the country code top-level domain (ccTLD) for the Federated States of Micronesia, a group of islands located in the Pacific Ocean.
The .fm domain extension has also been used by various companies outside of the audio streaming industry or the Federated States of Micronesia. One example, Ping.fm, is a social networking tool allowing users to update various social media services directly from their website. Other examples are Task.fm, and Smart.fm, an online learning tool.
There are many posibilities with .fm! don't miss them!