Cryptomator - When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.
Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.
BoxCryptor - Boxcryptor encrypts your sensitive files before uploading them to cloud storage services like Dropbox, Google Drive, Microsoft OneDrive, Box, and many others.
CloudBerry Box - CloudBerry Box provides bi-directional synchronization of data across remote computers.
VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
Yandex.Disk - Files on Yandex.Disk won't get lost if your phone or computer breaks.