Dropbox - Online Sync and File Sharing
XShare - XShare – File Fast Transfer developed and published by Shalltry Groups.
Google Drive - Access and sync your files anywhere
Zapya - Zaypa is a cross-platform transferring and sharing!
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
SuperBeam - SuperBeam is a file sharing app that makes moving files across devices much easier by using technologies like NFC and QR codes instead of plug ins. It is one of the fastest was to move files from one device to another.