Swish!

Cyberduck is an open source FTP client.

Cloud storage as hard disk

SSH and SFTP client for Windows incorporates:

ExpanDrive is a Network file system client for Mac OS X and Microsoft Windows that facilitates mapping of local volume to any SFTP server the user can access. It also can connect to FTP, Amazon S3, RackSpace Cloud Files, OpenStack Swift Object Storage, DreamObjects, WebDAV, Dropbox, Google Drive and Box.com. When a server is mounted with ExpanDrive any program can read, write, and manage remote files (that is, files that only exist on the server) as if they were stored locally.

Mountain Duck lets you mount server and cloud storage as a local disk in the Finder.app on Mac and the File Explorer on Windows. Open remote files with any application and work like on a local volume.

Bitkinex is a multiprotocol FTP client, supporting FTP, SFTP, HTTP (WebDAV). The FTP features on one-click commands list, multipart download and multi thread browse. The WebDAV client features messenger-like user interface, fast multithreaded and multipart downloads, server-to-server transfers and SSL.

My Commander (MyCO) is "the small - smarter - fastest file manager in the world", archiver and ISO creator for Windows 7. Small and smart, MyCO uses less of your computer's memory while it's running.

FTP! is the interactive graphical FTP(S) and SFTP client by syncplify.me. It supports the FTP, FTPS (FTP over SSL, both implicit and explicit) and SFTP protocols, and it's very easy to use as well as extremely fast.Main features:- Protocol support: FTP, FTPS, and SFTP- Multi-tab interface: keep multiple file transfer tabs open at the same time- Supports large files (greater than 2 GB)- Advanced wildcard-based file transfer- Editing of remote files- Synchronized browsing (with automatic creation of missing folders)- Sleek and easy to use GUI- Free for any use, including commercial/business use »

Stop bothering to jump between applications, you can handle multiple protocols within Steed. Whether you need access to an FTP or SFTP server, or store files in the cloud on Amazon S3 or Microsoft Azure, Steed will help you do that. It takes care of everything and allows you to focus on your work, instead of wasting your time configuring numerous clients.

Auto/Shell is a tool for system administrators who want to monitor servers wherever they are in the world. The app lets you add as many servers as you want, and for each one specify a set of commands you want to run over SSH. The app then connects to all the servers and executes all the commands as often as you want, and reports back if any of them return a value that deviates from what you expected.

DriveMaker Freeware mounts or maps an FTP site to your desktop or Windows Server as a drive letter, for example: D:. Now you can use all kinds of different software to access the files on your FTP server just like the files you have on your PC, including the command prompt, anti-virus, Microsoft Excel, Word, etc.