Alternatives to NordLocker

Desktop client for Filen.io

Cloud storage client

Disk encryption software focusing on security based on TrueCrypt

Client for the Dropbox cloud storage service

Real time file synchronisation software

Multi-platform client-side cloud file encryption tool

Client for the Google Drive storage service

Store, share and access files from anywhere

Client for Proton Drive

Desktop sync client for Nextcloud software products

Client for the Tresorit cloud storage service

File syncing client