odrive is described as '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' and is a popular FTP Client in the development category. There are more than 50 alternatives to odrive for a variety of platforms, including Windows, Web-based, Mac, Linux and Android apps. The best odrive alternative is Rclone, which is both free and Open Source. Other great apps like odrive are Koofr, Cyberduck, GoodSync and Air Explorer.
It's just a cloud storage service provider, not a frontend for different clouds like odrive.