Air Live Drive works OneDrive, OneDrive for Business, Google Drive, Box, Mega, Dropbox, Yandex, Naver, Hidrive, Mail.com, Mail.ru, Adrive, Magenta, Stack Storage and Datto Drive. But it also works with WebDav and SFTP.
With Air Live Drive you can use your usual tools or programs directly on the files in the cloud avoiding the synchronization process.