AudioTag - AudioTag.info — is a free music-recognition service.
AMPLI.FI - Live online music community. Twitch for tunes.
ACRCloud - Automatic Content Recognition (ACR) cloud services for Audio Recognition ( identify music, ads ), Broadcast Monitoring, Second Screen, Copyright Protection.
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Shazam - Shazam is a mobile app that recognizes music and TV around you.
Soundstripe for Twitch - Free music for Twitch streamers