Cyberduck is an FTP client for Windows and Mac OS. It supports multi-threaded connections, has a Bookmark system, handles all common connection protocols, offers an intuitive interface, Drag & Drop, continues interrupted downloads and uploads, and more.
Supports the Quick Look option, which allows you to preview files before downloading.
The application also gives access via WiFi connection to the file system of your iPhone. License: Free (Open Source)
Whats New in Cyberduck 7.8.5 Final
Feature Support ED25519 and ECDSA keys in the PuTTY format (SFTP)
Bugfix Large increasing memory usage when downloading files with segmeted downloads option (# 11151)
Bugfix Faster transfer rate with segmented downloads option enabled (SFTP)