QPC Software  
   QVT/Net package offers terminal emulation (telnet and ssh), FTP/mail/news/lpr clients, web browser, and FTP and SMTP servers. Supports Windows 3.1 as well as 95/98/NT.
   http://www.qpc.com/

EWAN, winsock terminal emulator  
   For Windows 3.1 and higher, free to use.
   http://www.lysator.liu.se/~zander/ewan.html

Powerlan-USA Terminal Emulators  
   Mac and Windows ports of terminals such as Webterm, 5pm Term, WebTerm X and eXodus.
   http://www.powerlan-usa.com

NCSA Telnet  
   an implementation ARPA standard telnet. for MAC or PC.
   http://www.ncsa.uiuc.edu/SDG/Homepage/telnet.html

BetterTelnet  
   for Mac OS
   http://www.cstone.net/~rbraun/mac/telnet/

HyperTerminal Private Edition  
   An update for the HyperTerminal application shipped with Windows.
   http://www.hilgraeve.com/htpe/index.html

GUI2000  
   Delivers a comprehensive PC-AS/400 Graphical user interface for users of Windows 95/98/NT.
   http://www.gui2000.com

Telnet software  
   Site offers telnet client for connecting to IBM mainframe, AS/400 and UNIX systems.
   http://www.telnetsoftware.com

NetTerm from Intersoft  
   Performs telnet and dialup. Supports BBSes, Zmodem, and optimization for various online/dialup databases.
   http://www.netterm.com

LiTE / STEP++ from UASYS.com  
   Connectivity software products that connect to Linux, SCO UNIX, AIX, and AMOS hosts.
   http://www.uasys.com

GTW420  
   Terminal emulation software for telnet operations for VT220/VT420/ANSI terminals.
   http://www.gtw420.com/

Telnet for Unix Terminals  
   Unix systems with PowerTerm terminal emulation. It is optimized for supporting Windows 3.1/95/98/NT platforms.
   http://www.ericom.com/pts.asp

ZOC  
   A telnet client, secure shell client and terminal emulator that allows a PC to connect to hosts and mainframes via telnet, secure shell (SSH/SSH2) modem, serial cable or ISDN.
   http://www.emtec.com/zoc/

taTelnet  
   Free (under the GNU General Public License) cross-platform Telnet program with versions for Windows and GNU/Linux.
   http://linux.techass.com/projects/tatelnet/

Useless Telnet  
   A 3D Telnet client for Windows that displays its output like a Star Wars crawl.
   http://www.uselesscreations.com/UselessTelnet/

Java Telnet/SSH Applet  
   Open source, fully featured Telnet/SSH applet/application with embedded VT320/ANSI emulation. It can be used to provide access to telnet services via a java capable WWW browser.
   http://javassh.org/