New in WS-FTP Pro 12.2:
Windows 7 support (both 32-bit and 64-bit), faster transfer speeds, improved (more modern-looking) icons that can be displayed as large icons in toolbars, SSL performance improvements (including ability to reuse SSL sessions), customizable display options now apply evenly to all visible controls; Release Notes - Last Updated: 11.23.09 (v12.2) Upgrade Meter: 5
New in WS-FTP Pro 12.0: Built-in local file encryption using OpenPGP, improved performance, FIPS 140-2 validated cryptography, support for Microsoft IIS and Apache web servers, non-repudiation and compression with MOVEit DMZ server, Windows 2008 support, SSH key management and enhanced SSH capabilities, enhanced SSL certificate management, post transfer file automation, various other enhancements; Release Notes - Last Updated: 03.25.09 (v12.0)
Upgrade Meter: 5
New in WS-FTP Pro 2007: Integrated Google, Copernic, or Windows desktop search engines; backup wizard; skins support (with 9 built-in skins or design your own); Citrix and Microsoft terminal services software management; SHA256 and SHA512 file integrity technologies; enhanced synchronization capabilities; enhanced thumbnails; various other enhancements; Release Notes - Last Updated: 01.18.07 (v2007.1)
Upgrade Meter: 5
New in WS-FTP Pro 2006: 256-bit AES encryption for SSL and PGP,
support for transfers over HTTP and HTTPS, Workspaces feature (for saving frequently used local and remote connection configurations), enhanced site import (now handles CuteFTP, FTP Voyager, and WS_FTP LE), support for TLS session caching, AUTH TLS support, numerous interface enhancements, UPnP support for Windows XP, PGP Export wizard now allows exporting a key pair, SSL configuration now allows selection of acceptable ciphers, various other enhancements; Release Notes - Last Updated: 09.09.05 (2006.0.1.0)
Upgrade Meter: 5
New in v9.0: Completely redesigned, Windows XP-styled interface;
tabbed interface with ability to view multiple files and servers at the same time, support for encrypting individual files with Open PGP technology,
new customization options; various tools and enhancements for earlier releases; Release Notes Upgrade Meter: 5
New in v7.5: Assistance Center (with interactive tutorials), new upload wizard, improved connection process, improved transfer manager, various bug fixes; Notes Upgrade Meter: 5
New in v7.0: Completely redesigned interface, new Site Wizard and FTP Manager, Add to Favorites command, improved firewall support, enhanced multi-file transfer capabilities, Explorer interface no longer tightly integrated with Windows Explorer, new button and URL bars in Classic interface, various bug fixes and other enhancements; Release Notes Upgrade Meter: 5
New in v6.6: SSL support for encrypting logon and data transfers when used with SSL enabled FTP Servers, various bug fixes and general feature enhancements; Notes Upgrade Meter: 4
New in v6.5: WS-FTP Queuing utility, browser helper for FTP URLs, redesigned Site Properties & Connection Dialogs for classic & explorer interfaces, multiple firewall support Upgrade Meter: 5
New in v6.0: Updated Windows Explorer interface, impressive new file find and synchronize (for mirroring sites) utilities, integrated scripting utility, redesigned Site Wizard, drag and drop in site lists, recursive delete feature, support for new firewall types and host types, numerous usability improvements and bug fixes; Release Notes Upgrade Meter: 5
New in v5.05 (LE): Y2K bug fixes, auto reget feature, default transfer mode added to session parameters, improved firewall support, automatic detection for more host types Upgrade Meter: 4
New: Windows Explorer FTP shell extension, multiple file rename, full drag 'n' drop
Pros: Easy to use, Windows Explorer FTP shell extension (Pro edition only), free (but feature-limited) LE version
Cons: Lacks some of the more advanced features found in competing FTP clients, not as easy to use as CuteFTP, expensive relative to the competition