Cyberduck | FTP, SFTP, WebDAV & Amazon S3 Browser for Mac OS X.

Cyberduck is an open source FTP, SFTP, WebDAV and Amazon S3 browser licenced under the GPL with an easy to use interface, integration with external editors and support for many Mac OS X system technologies such as Spotlight, Bonjour, QuickLook and the Keychain. Localizations are available in English, čeština, Nederlands, Suomi, Français, Deutsch, Italiano, 日本語, 한국어, Norsk, Slovenčina, Español, Português (do Brasil), Português (Europeu), 中文 (简体), 正體中文 (繁體), Русский, Svenska, Dansk, Język Polski, Magyar, Bahasa Indonesia, Català, Cymraeg, ภาษาไทย, Türkçe, Ivrit, Latviešu Valoda & Ελληνικά. Many thanks to all contributors! If you need help, there is an introduction, a list of common problems and a FAQ. Please post any questions on the forum. This software is written by David V. Kocher. Please have a look at the credits to see who contributed. I appreciate any feedback you might have. For bug reports and feature suggestions you should issue a new ticket in the issue tracker.

Protocols
FTP (File Transfer Protocol), FTP/TLS (FTP secured over SSL/TLS), SFTP (SSH Secure File Transfer), WebDAV (Web-based Distributed Authoring and Versioning) and Amazon S3.

Browser
Document based, list and outline view, caching, cut & paste, drag & drop and arbitrary character encodings.

Quick Look
Preview files like in Finder.app.

Web URL
Quickly open the corresponding Web URL of a selected file in your web browser.

International
Available in English, Czech, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Slovak, Spanish, Chinese (Traditional & Simplified Han), Russian, Swedish, Hungarian, Danish, Polish, Indonesian, Catalan, Welsh, Thai, Turkish, Hebrew, Latvian and Greek.

External editors
Seamless integration with external editors. SubEthaEdit, BBEdit, TextWrangler, Text-Edit Plus, TextMate, mi, Smultron, JeditX, CSSEdit, CotEditor and Tag, skEdit, PageSpinner.

Open Source
Licensed under the GPL.

Spotlight
Spotlight Importer for bookmark files.

Bookmarking
Powerful bookmarking. Drag and drop bookmarks to the Finder.app and drop files onto bookmarks to upload.

History
History of visited servers.

Bonjour
Auto discovery of services on the local network

Integration
Use Cyberduck as default system wide protocol handler for FTP and SFTP. Open .inetloc files and .duck bookmark files from the Finder.

Advanced Transfers
Limit the number of concurrent transfers and filter files using a regular expression. Resume both interrupted download and uploads. Recursively transfer directories.

AppleScript
Full AppleScript integration. See the sample scripts (included on the disk image).

Growl
Support for Growl, the global notification system. See growl.info.

Activity Window
Overview over all pending background tasks.

Keychain
All passwords are stored in the system Keychain as Internet passwords available also to third party applications.

SSH
Supports Public key authentication, Keyboard Interactive (PAM) Authentication, Support for various encryption ciphers (3DES, Blowfish, Twofish, AES, CAST) and Authentication algorithms (MD5, SHA1).

SCP
Transfer files using Secure Copy (SCP).

Amazon S3
Browse Amazon Simple Storage Service the way you are used to with other file systems.

WebDAV
With WebDAV you can access your iDisk, GMX Mediacenter or any other WebDAV compliant server.

iDisk
Synchronize bookmarks with .Mac iDisk.

Synchronization
Synchronize local with remote directories (and vice versa) and get a preview of affected files before any action is taken.

Permissions
Modify permissions on multiple files and recursivly.

Copyright (c) 2002-2005 David V. Kocher. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

This product includes software developed by Christian Plattner (Ganymed), enterprisedt (enterprisedt.com) and the Apache Software Foundation (jakarta.apache.org), James Murty (jetS3t), Christopher Forsythe et al. (growl.info), Wade Tregaskis (Keychain Framework), M. Uli Kusterer (UKCrashReporter and UKPrefsPanel), Greg Guerin (MacBinary Toolkit), Andy Matuschak (Sparkle), Kurt Revis (SNDisclosableView), Shaun Wexler (SKWSegmentedControl),

Download
3.0.2 (Aug-10-2008)
Cyberduck-3.0.2.dmg (10.3MB, Mac OS X 10.4 or later required.)

Release notes and previous releases are available here.

There are also nightly builds available featuring the latest bugfixes and enhancements.

Thanks to the ICU (University of Zurich) for hosting the downloads. Mirror provided by VIS (ETH Zurich).

Donations. Free software is a matter of the users freedom to run, copy, distribute, study, change and improve the software. If you find this program useful, please consider making a donation. It will help to make Cyberduck even better!

Mailing List. You can subscribe to the Cyberduck-news mailing list to get a notification when a new version is released.

Forum. Discuss anything related to Cyberduck in the forum hosted at cocoaforge.com

Blog. Subscribe to the the developer's blog.

Widget. Download the dashboard widget (Thanks to Claudio Procida!). Help about using the widget.

Quicksilver Module. Access Cyberduck bookmarks from within Quicksilver.

Growl. You may also want to install Growl, a global notification system Cyberduck supports.

Reviews. Cyberduck has been reviewed by many sites and got tremendous feedback over the last years.

“All the other FTP clients I've used have been hard to learn and are confusing, but I've never had to look at the help file for Cyberduck”
— boingboing.net