WinSCP
WinSCP is an open source free SFTP client, FTP client, WebDAV client, S3 client and SCP client for Windows. Its main function is file transfer between a local and a remote computer. Beyond this, WinSCP offers scripting and basic file manager functionality.
Features
- Graphical user interface (screenshots)
- Translated into many languages
- Integration with Windows (drag&drop, URL, shortcut icons, jump list)
- All common operations with files
- Support for SFTP and SCP protocols over SSH and FTP and WebDAV and S3 protocols
- Batch file scripting and command-line interface and .NET assembly for advanced programming tasks
- Directory synchronization in several semi or fully automatic ways
- Integrated text editor
- Shares site settings with PuTTY
- Support for password, keyboard-interactive, public key and Kerberos (GSS) authentication
- Integrates with Pageant (PuTTY authentication agent) for full support of public key authentication with SSH
- Explorer and Commander interfaces
- Optionally protects stored site information with master password
- Optionally supports portable operation using a configuration file in place of registry entries, suitable for operation from removable media

Pros
- Is completely free to use and is open source
- Makes working on a remote Linux machine from a Windows computer as easy as possible
- Supports all secure file transfer protocols
- Can be used as portable version
Cons
- No x64 version
- Keyboard shortcuts not editable