Dropbox - Online Sync and File Sharing
Zapya - Zaypa is a cross-platform transferring and sharing!
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
SHAREit - SHAREit allows you to transfer files and data from your phone to another device without having to rely on WiFi or a data plan.
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
CM Transfer - CM Transfer – Share Any Files with Friends Nearby is a free to use mobile application that comes with the beautifully redesigned new look and enhanced file transferring technology that makes the sharing of files faster, simple, and secure.