Mountain Duck

Mountain Duck is ranked #10 of 31 in SFTP client software on The Geeks Club. It runs on macOS, Windows. There is no free plan. A free trial is offered.

Mountain Duck plans and pricing

All plans

Mountain Duck 5 personal or team license Not published Per seat · license valid for one major version · one user may use it on multiple computers mountainduck.io · 4 Oct 2026

Compared on SFTP client software

Free plan: No
Supported protocols: FTP, FTP over TLS, SFTP, WebDAV, SMB, OpenStack Swift, Amazon S3, Google Cloud Storage, Microsoft Azure, Backblaze B2
Supported platforms: macOS, Windows
Folder synchronization: Yes
SSH key authentication: Yes
Remote file editing: Yes
Automation support: none

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Mountain Duck

Purpose: Mountain Duck mounts server and cloud storage as a disk in macOS Finder or Windows File Explorer so remote files can be opened with desktop applications.
Integrated mode: Version 5's Integrated connect mode uses macOS File Provider and Windows Cloud Files APIs without a device driver or network mount.
Sync: Smart Synchronization downloads files when opened, supports keeping selected files and folders offline, and uploads changes in the background when a connection is available.
Protocols: The product supports protocols including FTP, SFTP, WebDAV, SMB, OpenStack Swift, and Amazon S3.
Cloud integrations: The listed storage integrations include Google Cloud Storage, Azure, Backblaze B2, Google Drive, Dropbox, OneDrive, and Box.
Sharing: Mountain Duck can create expiring links with Amazon S3, OpenStack Swift, Microsoft Azure, Backblaze B2, and other services, and supports creating shares in Dropbox, Google Drive, OneDrive, Nextcloud, and ownCloud.
Encryption: It supports transparent client-side encryption using Cryptomator interoperable vaults for data at rest.
Team features: File locking can prevent conflicting edits when opening Microsoft Office documents, using WebDAV locks when supported or lock owner files as an alternative.
Versioning: Users can open and revert earlier versions in versioned Amazon S3 buckets and use custom versioning to stash file changes in a versioned server folder.
Trial: The maker's licensing documentation says users can request a 14-day trial license.
License limits: A license is per seat and valid for one specific major version; the same user's license can be used on multiple computers.
Support: Support is provided exclusively by email on a best-effort basis.
System requirements: Mountain Duck 5 requires macOS 13 or later or Windows 10 version 1809 or later.
Headquarters: Bern, Switzerland

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Where it ranks on The Geeks Club

Best SFTP Client Software in 2026#10 of 31
Best WebDAV Client Software in 2026#11 of 27
Best Virtual Drive Software in 2026#10 of 23

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Sources

mountainduck.io· checked 4 Oct 2026
docs.mountainduck.io/mountainduck/support/licensing/· checked 4 Oct 2026
mountainduck.io/buy/· checked 4 Oct 2026
mountainduck.io/buy/eula/· checked 4 Oct 2026
docs.mountainduck.io/mountainduck/installation/· checked 4 Oct 2026