SecureBlackbox (ActiveX/DLL) 

SecureBlackbox (ActiveX/DLL edition) is a comprehensive component collection that adds SSL/TLS, SSH, PKI, SFTP support to your Windows application. This is ActiveX/DLL version.
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FTP Voyager 

FTP Voyager lets you perform FTP tasks as if working locally in Windows Explorer. Connect to any FTP site, drag-n-drop files, synchronize, simultaneous transfers, auto-resume downloads, and more!
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SecureFX 

SecureFX is a highly configurable secure file transfer client for SFTP and FTP with advanced features like site synchronization, a scriptable command-line utility for unattended file transfers, and public-key and Kerberos v5 (GSSAPI) authentication.
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BitKinex 

BitKinex integrates the functionality of an innovative FTP client, SFTP client and WebDAV client for Windows. In addition to features found in other popular FTP programs BitKinex introduces several unique approaches and solutions.
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AbsoluteTelnet 

Fast 32-bit telnet with SSH1, SSH2, TAPI Dialup and direct COM port access. Solid emulation gives AbsoluteTelnet the edge, along with SOCKS Proxy, session logging, Color/Font settings, port forwarding, X11 forwarding, and a host of terminal options.
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Internet Neighborhood Pro 

Internet Neighborhood lets you access FTP servers within Windows Explorer. A Windows shell extension that lets you browse remote FTP sites, upload and download entire directory structures and manage files as if they were on your local hard drive.
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