mStream

Audiobook and podcast server. It streams all audio formats, keeps and syncs progress across devices. Comes with apps for Android and iOS.

Scrobble plays from multiple sources to multiple scrobbling services.

Music player with Youtube/Soundcloud import and iTunes/Spotify discovery.

Extensible music server. Offers a superset of the mpd API, as well as integration with 3rd party services like Spotify, SoundCloud etc.

Music library manager and MusicBrainz tagger (command-line and Web interface).

Personal music streaming server that works.