An open source terminal emulator with built-in communication client

Tera Term is a terminal emulator that supports serial port, TCP/IP (telnet, SSH), and named pipe connections. It emulates VT100 and part of VT200/300 emulation, and supports TEK4010 emulation. Tera Term has a macro interpreter that runs scripts written in Tera Term Language (TTL). It allows users to automate the Tera Term terminal emulator.