Wormhole.app - Wormhole lets you share files with end-to-end encryption and a link that automatically expires.
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Internxt Send - Internxt Send is an encrypted file-sharing service that allows you to securely share files with online.
Send Anywhere - Send whatever you want, wherever you want
Strac.io - Strac helps businesses remove sensitive customer data like SSN, drivers license, passport, bank statements, tax docs, medical notes, etc.
Dropbox - Online Sync and File Sharing