Helium Music Manager!

foobar2000 is an advanced freeware audio player for the Windows platform.

Clementine is a cross-platform free and open source music player and library organizer. It is a port of Amarok 1.4 to the Qt 4 framework and the GStreamer multimedia framework, focusing on a fast and easy-to-use interface for searching and playing your music. It is available for Unix-like, Windows and Mac OS X.

Winamp is a media player for Windows and OS X developed by Justin Frankel and Dmitry Boldyrev by their company Nullsoft, which they later sold to AOL, who sold to Radionomy in January 2014. Since version 2 it has been sold as freemium and supports extensibility with plug-ins and skins, and features music visualization, playlist and a media library, supported by a large online community.

Mp3tag is a powerful and yet easy-to-use tool to edit metadata of common audio formats where it supports ID3v1, ID3v2.3, ID3v2.4, iTunes MP4, WMA, Vorbis Comments and APE Tags.

MediaMonkey is a music player and a music library manager with support for 50,000+ files and many features for organizing, tagging, converting and burning your music. It also has advanced podcasting and syncing features. MediaMonkey syncs with iPhones, iPods, and most other MP3 Devices. MediaMonkey is an All-in-One music manager solution with many plugins available.

Amarok is a powerful music player for Linux, Unix and Windows with an intuitive interface. It makes playing the music you love and discovering new music easier than ever before - and it looks good doing it!

Miro (formerly Democracy Player) is a free and open source internet TV application, media library, and video player.

It just sounds better! The beauty is in its simplicity, yet behind the minimal exterior lies a powerful music player with a ton of features & support for all audio formats you should ever need.

Music player with sleek interface & cloud compatibility.

Exaile is a cross-platform music manager and player for GTK+ written in Python and is easily extensible via plugins. It incorporates automatic fetching of album art, handling of large libraries, lyrics fetching, artist/album information via Wikipedia, streaming internet radio, Last.fm submission support, and optional iPod support via a plugin.

Easily play and manage your music and playlists with Groove. Add your songs to OneDrive, and Groove brings them to all your favorite devices. Want more ways to play? Get a Groove Music Pass and dive into artist-based radio, curated playlists, and one of the biggest music catalogs on the planet.

1by1 is a small, fast and handy audio player which is not only small: it provides a smart and versatile environment to handle your file collection and listen to your tracks - with no need for playlists or databases.

An open-source jukebox for large collections of mp3/ Vorbis / FLAC / mpc/ape files, written in perl. Its made with big (> 10,000 songs) libraries in mind. Features include: plugin system, customizable weighted random mode (based on rating, last time played, label, etc), simple mass-tagging and mass-renaming, customizable window layouts.