Yandex

Air Cluster combines all your cloud storage services, including Google Drive, OneDrive, Dropbox, Mega, Box, WebDAV, Naver, Yandex, Baidu and SFTP, into one big cloud. This application enables you to synchronize and backup your data in a unified cloud.

Air Explorer manages multiple cloud servers including Google Drive, OneDrive, Dropbox, Mega, and more. It allows file transfer and folder synchronization, with the option of data encryption.