Maestral is an open-source Dropbox client that serves as a lightweight alternative to the official app. It comes with an optional command-line tool for power users.
Mountain Duck
This menu bar app lets you access remote servers, WebDAV servers, Dropbox, Google, OneDrive, S3 servers and more via a drop-down interface. It’s also a cross-platform solution that provides the same tools for Windows users.
Revisions for Dropbox
A Mac menubar app to view all your Dropbox activities. Revisions for Dropbox displays all your Dropbox edits and shows exactly what changes were made. The app also provides unlimited undo going back 30 days (or more).
stss
With stss, you can monitor the status of cloud services, right from your menu bar. You can also be notified when a service goes down or gets restored.
