much more than an "mp3 player," it is a music "library." musikCube currently supports mp3, ogg, ape, flac, and cd audio file formats. Additional audio formats are supported via plugins. It also features an integrated cd ripper helping you take control of
a library for reading and editing the meta-data of several popular audio formats. Currently it supports both ID3v1 and ID3v2 for MP3 files, Ogg Vorbis comments and ID3 tags and Vorbis comments in FLAC files.
a community music site featuring remixes licensed under Creative Commons where you can listen to, sample, mash-up, or interact with music in whatever way you want.
Free Public Domain classical music repository, that also provides streaming, sheet music and collaboratively writing a public domain music theory text book, it also permits submitting music to the collection.
free music-recognition robot/service. It allows you to identify unknown piece of music (pieces of 15-45 seconds audio), in almost any file format and with any bit-rate. Uncompressed, ADPCM and other waves (.WAV), MPEG-1 Layer III (.MP3), Ogg Vorbis (.OGG), FLAC, Flash Video (.FLV), .AMR, .MP4, and more. Only modern popular music, old jazz and classics as also some Russian music.