odrive is a free application that makes it easy to manage, access, and share all of your files from one place. Integration into more than 20 services, full bi-directional desktop sync, placeholder files, a robust web client, and advanced sharing capabilities.
You can use odrive with:
Amazon Cloud Drive
Microsoft OneDrive for Business
Google Cloud Storage
Yandex Disk More Info »
Link as many accounts as you need.
The separate odrive Sync Agent provides advances users with a flexible, scriptable interface to odrive's powerful Progressive Sync engine. Use it to bring cloud access to almost any environment.