iMazing Mini - Back up your devices automatically, wirelessly & privately
Plover - Browser Airdrop - transfer files to anyone, any device
Rebel Backup - Rebel Backup lets you make encrypted backups of your important files to Dropbox or Google Drive.
Starfiles - File hosting done simple
Online Vault Backup - Online Vault Backup is a cloud storage service that allows you backup your data while having unlimited storage.
Pocket Drive - Wirelessly transfer files from desktop to iPhone or iPad