Gladinet is described as 'Cloud Desktop mounts cloud storage to your local desktop PC. It is a simple desktop application' and is a Cloud Storage service in the backup & sync category. There are more than 50 alternatives to Gladinet for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and Android. The best alternative is Duplicati, which is both free and Open Source. Other great apps like Gladinet are ownCloud, Cyberduck, GoodSync and odrive.
Duplicati is a backup client that securely stores encrypted, incremental, compressed backups on local storage, cloud storage services and remote file servers. The Duplicati project was inspired by Duplicity and had similar functionality until 2008.
Unify all your storage. odrive makes it easy to access, sync, and share all your files from one place. Integrations to 20+ services, desktop sync, CLI (inc. Linux), placeholders, zero-knowledge-encryption, web client, advanced sharing, and more.