Public-key assistant, X.509 and SSH2 server support...
New inv6.5.x:
New tab display options, session inactivity notification, real-time keyword highlighting, drag-and-drop file transfer, cleaner and more flexible button bar, broader Unicode support, scripting enhancements; numerous minor enhancements and bug fixes for earlier releases; Release Notes - Last Updated: 11.11.09 (v6.5 Beta 4)
Upgrade Meter: 3
New inv6.2.x:
Native 64-bit Windows version, ability to select and edit multiple sessions from the Connect, option to remember open sessions from previous use, option to create a new log file at midnight for automatic log rotation, support for PKCS#11 (allowing a Cryptographic Token Interface to be used for smart-card authentication), numerous minor enhancements and bug fixes for earlier releases; Release Notes - Last Updated: 09.09.09 (v6.2.3)
Upgrade Meter: 4
New inv6.x:
Support for sending a tabbed session to a new window and cloning a session in a new window, alpha transparency support, optional button bar (allows buttons to be mapped to strings, protocol functions, menu commands, scripts, etc.), support for launching external programs on the local machine through mapped keys and buttons on the button bar, support for several Windows themes, support for customizing the toolbar and menu by dragging and dropping items, new default color scheme, enhanced portability by making a U3 installer available, MSI installer support; numerous minor enhancements and bug fixes for earlier releases; Release Notes - Last Updated: 04.25.08 (v6.0.2)
Upgrade Meter: 5
New inv5.5.x: New Script Recorder, Windows Vista support, improved auto session, support for OpenSSH format keys, improved ANSI color with color schemes, support for zlib@openssh.com compression, expanded logging options, additional tab support; numerous bug fixes for earlier v5.x releases; Release Notes - Last Updated: 11.02.07 (v5.5.3)
Upgrade Meter: 4
New inv5.0: IPv6 support, tabbed user interface (for working with multiple sessions in a single CRT program window), named firewalls (for working with multiple firewall configurations), improved xterm color (256-color xterm support); Release Notes - Last Updated: 06.17.05 Upgrade Meter: 5
New inv4.1: Expanded authentication options with support for Kerberos v5 authentication via GSSAPI and support for GSSAPI secured key exchange, share the host key database and private-key agent cache with SecureFX 2.2, dynamic log filename generation, improved support for scalable line drawing fonts; Release Notes Upgrade Meter: 4
New inv4.0: Support for public-key assistant File-based configuration of menus, shortcuts, and toolbars; enhanced printing; basic WYSE 50/60 emulation support, improved international character sets support, enhanced help system; Release Notes Upgrade Meter: 5
New inv3.4: Smart card-based public key authentication with X.509 support, VShell terminal emulation option, OpenSSH SSH-Agent forwarding support, support for OpenSSH-formatted public keys, 'Keyboard Interactive' authentication (S/KEY) support, Diffie-Hellman Group Exchange (GEX) support, automatic screen font scaling option; global accessibility option (trackable insertion caret), various bug fixes; Release Notes Upgrade Meter: 4
New in v3.3: Support for XModem file transfer, support for generating and using RSA public keys, support for accepting RSA host keys when authenticating, support for displaying MD5 Hash host key fingerprints when connecting to hosts, improved Windows 2000 multiple monitor support, activator utility allows minimizing any session window to the system tray, easier configuration of port forwarding,various bug fixes; Notes Upgrade Meter: 5
New in v3.2: VCP secure command-line file transfer program with SSH-based strong encryption (SSH2 SFTP protocol), VShell keymap file for supporting Windows keystrokes in VShell sessions, various other feature enhancements and bug fixes; Release Notes Upgrade Meter: 5
New in v3.1: Windows 2000 support, OpenSSH 2.1.1 and SSH 2.2 server support, Linux console emulation (with ANSI color, built-in Linux keymap, and mouse reporting support) Upgrade Meter: 5
New in v3.0: Support for both SSH1 and SSH2, ActiveX scripting support, session keyboard mapping, session list folder, SCO ANSI terminal emulation; Release Notes Upgrade Meter: 5
Pros: SSH security, RSA authentication, multiple ciphers, all of CRT's great features
Cons: Costs more than twice as much as CRT, lacks some features found in NetTerm