DeployGate - DeployGate enables developers to distribute beta apps to enable beta testing from fellow developers and community.
DROPitTOme - Allows you to let others securely upload files to your Dropbox account.
Applivery - Mobile Apps distribution system for Continuous deployment, Beta testing, Feedback, Bug reporting & Enterprise App distribution.
dbinbox - dbinbox makes it easy to send files
TestFlight - iOS beta testing on the fly.
Docpool - Work more efficiently in your clients project