The app is robust, connects seamlessly at startup and does not crash. The app can map cloud storage as a local drive as well as a folder on a local drive, thus obviating the need to have free drive letters. The app displays the amount of used and free space and makes it easy for the user to see how much storage is available on each cloud account.
WebDrive - WebDrive File Access Client allows you to open and edit server-based files without the additional step of downloading the file.
RaiDrive - Mount NAS, Router, Google Drive, OneDrive and Dropbox to a network drive or file explorer.
Air Explorer - Air Explorer is a software to manage all your multiple cloud drives (like Dropbox, Onedrive, Google Drive, Mega, Mediafire, Box, Hidrive, Yandex, Baidu,...) as well as WebDav and FTP connections.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Mountain Duck - Cyberduck for mounting volumes in the file explorer. Available for Mac and Windows.
NetDrive - Cloud storage as hard disk