The very first requested features:

• Sessions filter
• Portability
• Shortcuts for pre-defined command
• The session launcher
• Automatic logon script
• URL hyperlinks

Technical features:

• Automatic password
• Automatic command
• Running a locally saved script on a remote session
• ZModem integration (experimental)

Graphical features:

• An icon for each session
• Send to tray
• Transparency
• Protection against unfortunate keyboard input
• Roll-up
• Always visible
• Quick start of a duplicate session
• Config Box

Other features:

• Automatic saving
• SSH Handler: Internet Explorer integration
• pscp.exe and WinSCP integration
• Binary compression
• Clipboard printing
• The PuTTYCyg patch
• Background image
• New command-line options

Bonus:

• A light chat server is hidden in KiTTY
• A hidden text editor is integrated into KiTTY

• Features

  • Graphical user interface
  • Translated into several languages
  • Integration with Windows (drag&drop, URL, shortcut icons)
  • U3 support
  • All common operations with files
  • Support for SFTP and SCP protocols over SSH-1 and SSH-2 and plain old FTP protocol
  • Batch file scripting and command-line interface
  • Directory synchronization in several semi or fully automatic ways
  • Integrated text editor
  • Support for SSH 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 stores session information
  • Optionally supports portable operation using a configuration file in place of registry entries, suitable for operation from removable media