Robust Files VS TransferBigFiles.com

Dropbox - Online Sync and File Sharing

PlusTransfer - PlusTransfer is a web service that enables any internet user to upload his files and share them with anyone in the world.

Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.

Sweech - Sweech is a file transferring application that enables you to transport your data from a smartphone to a computer, tablet, and other mobile devices using WiFi.

ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.

Immediate Contact Transfer - Immediate Contact Transfer app is an app by CyberValue that comes up with features to help you in using app-to-app sharing features to send and receive contacts between two mobile phones.