Tera Term is described as '(Pro) is a free software terminal emulator (communication program) for MS-Windows. It supports VT100 emulation, telnet connection, serial port connection, and so on' and is a terminal emulator in the os & utilities category. There are more than 25 alternatives to Tera Term for a variety of platforms, including Windows, Mac, Linux, BSD and Android Tablet. The best alternative is PuTTY, which is both free and Open Source. Other great apps like Tera Term are OpenSSH, KiTTY, Windows Terminal and Bitvise SSH Client.
PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port.
Most users think PuTTY is a great alternative to Tera Term.
OpenSSH is a free version of the SSH connectivity tools that technical users rely on. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks.
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OpenSSH vs Tera Term opinions
Some users think OpenSSH is a great alternative to Tera Term, some don't.
OpenSSH is not serial terminal client! Tera Term only provides functionality of OpenSSH via plugin.
SecureCRT combines rock-solid terminal emulation with the strong encryption, data integrity, and authentication options of the Secure Shell protocol. SecureCRT provides secure remote access, file transfer, and data tunneling for everyone in your organization.