DROPitTOme - Allows you to let others securely upload files to your Dropbox account.
TestFlight - iOS beta testing on the fly.
File Request Pro - Collect and receive file from anyone in a quick, simple and secure way. File request links and secure, branded upload pages that go straight to Google Drive, OneDrive, Dropbox or your Email.
TestFairy - Painless Beta Testing
dbinbox - dbinbox makes it easy to send files
TestApp.io - A platform that helps both mobile app developers and owners to easily share their apps with everyone to get feedback before reaching publicly to Google and App stores.