MegaDownload - MegaDownload is an easy to way platform to search and download files from the leading hosting sites on the internet.

AudD - Basically, Shazam API. Recognize music in microphone recordings, audio files, and UGC. Identify songs playing on radio stations and audio streams. Or make your own music recognition app. Recognize music from social networks and analyze trends.

FilePursuit - FilePursuit is probably the most sophisticated platform that is offering a best in the class search engine for file links.

ACRCloud - Automatic Content Recognition (ACR) cloud services for Audio Recognition ( identify music, ads ), Broadcast Monitoring, Second Screen, Copyright Protection.

SearchFiles - SearchFiles is the name of a premium level of file search engine that gets the data from the leading shared file servers of the world.

Shazam - Shazam is a mobile app that recognizes music and TV around you.