Cyberduck is an open source FTP and SFTP, WebDAV, Cloud Files and Amazon S3 client for Mac OS X licensed under the GPL. It supports FTP/TLS (FTP secured over SSL/TLS), using AUTH TLS as well as directory synchronization. The user interacts with the Cocoa application's GUI, including file transfer by drag and drop, and notifications via Growl. In addition, it is also able to open some files in external text editors. Cyberduck includes a bookmark manager and supports the Mac OS X Keychain and Bonjour networking. It supports multiple languages including English, Czech, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Slovak, Spanish, Chinese (Traditional and Simplified), Russian, Swedish, Hungarian, Danish, Polish, Indonesian, Catalan, Welsh, Thai, Turkish and Hebrew.
