Cyberduck

Overview

Cyberduck is a file browser for servers and cloud storage on Mac and Windows. It suits people who move files among different protocols and services; its broad reach and synchronization preview are useful strengths, but protocol-dependent timestamp handling and no scheduled transfers are meaningful constraints.

Key features

Connections and transfers

Cyberduck connects to FTP, SFTP, WebDAV and SMB, alongside OpenStack Swift, Google Cloud Storage, Amazon S3, Azure and Backblaze B2. It also supports OneDrive, SharePoint, Google Drive, Box, Dropbox and other services. This breadth is valuable when work spans providers, rather than requiring a separate browser for each. Drag-and-drop, recursive directory transfers, resumable transfers and direct server-to-server copying cover common transfer needs. Transfer automation is supported, but scheduled transfers are not, making Cyberduck a poor fit for jobs that must run on a timetable.

Synchronization, editing and sharing

It synchronizes local and remote directories and previews affected files before acting, giving users a chance to review the scope of a sync. Files on a server can be edited through a preferred external editor. Cyberduck can also copy or open HTTP URLs, with CDN and pre-signed URL support for S3. Modification dates cannot be retained with every protocol, so users whose workflows depend on timestamps should check this limitation against their connections.

Security and integration

Cyberduck is GPL-licensed, with source code on GitHub. The site says it has no backdoors and requires no account or registration. SFTP supports strong ciphers, public-key authentication and two-factor authentication; passwords are kept in the system Keychain, and certificates use its trust settings. Cryptomator integration adds client-side encryption, including encrypted filenames and individually encrypted files. Finder integration, Windows notifications, Bonjour discovery and system protocol handlers connect it with the host environment. Community help, documentation, a public bug tracker and email support provide support channels, though no service level is stated.

Pricing

The free software plan costs nothing and is GPL-licensed, with no registration or account required. It is the straightforward choice for users comfortable with the donation prompt.

The Registration key costs $10 a month, with a minimum contribution shown by the vendor. It disables the donation prompt and supplies a personal key usable on multiple computers. The one-time Registration key contribution costs $10, paid once, a minimum amount; it likewise disables the prompt and works on multiple computers, but the personal key is not shareable. The monthly option suits people who prefer recurring support, while the one-time contribution avoids a recurring charge. Neither plan is described as adding transfer features over the free software.

Platforms

Cyberduck is for macOS and Windows. Current downloads require Windows 10 64-bit or later, or macOS 10.13 or later on Intel or Apple M1.

Who it's for

Choose Cyberduck if you need one desktop browser for a varied mix of cloud storage and server protocols, especially when synchronization previews, resumable transfers or server-to-server copies matter. Look elsewhere if scheduled transfers are essential, modification dates must be preserved for every connection, or you need the graphical application on Linux.

Pros and cons

• Broad protocol and service coverage: connects traditional servers, cloud platforms and storage services in one browser.
• Useful transfer controls: recursive and resumable transfers plus direct server-to-server copying address more than basic uploads and downloads.
• Preview before synchronization: affected files can be reviewed before changes are made.
• Open-source and account-free: GPL licensing and no registration requirement suit users who value inspectable software without an account.
• No scheduled transfers: automation does not include built-in scheduling, limiting unattended recurring workflows.
• Protocol-dependent timestamps: modification dates are not retained in every case, which can disrupt timestamp-sensitive work.
• Desktop platform limits: the graphical app supports macOS and Windows, not Linux.

Alternatives

For a focused shortlist, browse FTP and SFTP clients, WebDAV Client Software or SFTP Client Software.

WinSCP is a free, open-source Windows client supporting SFTP, FTP, FTPS, SCP, WebDAV and S3; choose it if Windows-only coverage is sufficient. FileZilla Client is free on Linux, macOS and Windows and covers FTP, FTPS and SFTP, a better match when those protocols are the priority. FTP Rush is freeware for Android, iOS, Linux, macOS and Windows, fitting readers who want a free option across those platforms.

lftp is a free GNU GPL option for Linux. CrossFTP offers a free client and paid Pro and Enterprise plans, each for one computer, with free trials. FTP Commander has a free plan and trial, with basic FTP transfers, file and folder management, multiple downloads and command-line mode. Core FTP offers a free plan as well as paid Standard and Pro single-user licenses for Windows. AndFTP is a free Android option for FTP, SFTP, FTPS and file management; its Pro plan adds SCP, folder synchronization, custom commands and settings import.

Verdict

Cyberduck is a strong choice for Mac and Windows users who need one open-source browser across varied server and cloud connections, with synchronization previews and capable transfer tools. Its central advantage is breadth without requiring an account; choose another client if scheduled transfers, consistent modification-date retention or a Linux desktop app is essential.