Dewdrop - Drag, drop, and send ephemeral files. Revoke access anytime
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Oficloud - File Sharing with enhanced privacy and security
Datash - Send and receive files with end-to-end encryption
Infer by Facebook - Detect bugs in Android and iOS apps before they ship.
Send Anywhere - Send whatever you want, wherever you want