DistroKid - Unlimited uploads to iTunes and more. Keep 80-100% of your royalties.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
TuneCore - Music distribution platform for artists to sell their content worldwide
Apple Music - Apple Music app combines your personal iTunes library with Apple's music subscription service. Music you have purchased from the iTunes store, or synced over from other sources, is available in the "Library" tab. Read more about Apple Music.
Ditto Music - Release your music online, set up a record label and keep 100% of royalties
TIDAL - Tidal is a streaming music service supported by some of the most influential artists working in the industry.