Mountain Duck lets you mount server and cloud storage as a local disk in the Finder.app on Mac and the File Explorer on Windows. Open remote files with any application and work like on a local volume.

Based on the solid open source foundation of Cyberduck, all major protocols are supported to connect to just about any server you want.

A widely tested FTP (File Transfer Protocol) implementation for the best interoperability with support for FTP over secured SSL/TLS connections.

With support for strong ciphers, public key and two factor authentication. Read settings from your existing OpenSSH configuration.

With interoperability for ownCloud, box.com, Sharepoint and BigCommerce and many other WebDAV servers. TLS mutual (two-way) authentication with client certificate.