WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Tresorit Send - Ultra-secure, end-to-end encrypted large file sharing.
FileTransfer.io - Send your files safely up to 6GB for free. No download speed limit. No registration needed.
Google Drive - Access and sync your files anywhere
SeaFile Share - Sea File Share is fast and simple secure file transfer & share service with a free password protect, unlike any other its free to use and , there is paid backup and cloud file service too.
Lufi - It stores files, encrypts them in the browser and allows you to download them.