Serial Communication Library for C#, & VB .Net (Zmodem, Xmodem, Ymodem)

Rock-solid terminal emulator with tabbed UI and advanced session management

Serial Communication Library For Pocket PC and Windows CE

Professional serial communication library - DLLs for Windows & MSDOS Libraries

Telnet also has SSH1, SSH2, TAPI dialup, COM. Port forwarding, X11 forwarding.

Award winning telnet, SSH, SSH2, modem and ISDN terminal emulator

Telnet client has SSH, TAPI dialup, COMM port access. VT100 w/passthru printing

Com 7.1f is a serial/tcpip terminal emulator with powerful scripting and FTP