Differences from 2.3

Overview of difference between Teraterm 2.3 (original version) by Takashi Teranishi and Tera Term (version 4).

Feature Differences

Content Tera Term Pro 2.3 Tera Term
Source code Opened Opened
License Proprietary*1 Modified BSD license*2
Development tool Visual C++ 5.0 / Watcom C/C++ 11.0 Visual Studio 2005
Icon Tera Term*3 Tera Term*3
Maximum COM port 16 4096
Serial speed from 110 to 115200 from 110 to 921600, and editable
Japanese character code EUC-JP/Shift_JIS/JIS EUC-JP/Shift_JIS/JIS/UTF-8/UTF-8 MAC
Unicode support Not supported Support single language*4
IPv6 support No Yes
i18n support No Yes*5
Linked library
  • Oniguruma
    • used as the regular expressions library
  • SFMT
    • used as the random number generator
*6
 
TTSSH icon TTSSH TTSSH*3
supported SSH version SSH 1.5 SSH 1.5 and 2
supported SSH feature shell, port-forwarding, X11 forwarding shell, port-forwarding, X11 forwarding, SCP
Pageant*7 collaboration No Yes
Linked library
  • SSLeay
    • used as the cryptographic library (libeay32.lib)
    • not used as SSL library (not ssleay32.lib)
  • zlib
    • used as the compression library
  • OpenSSL
    • used as the cryptographic library
    • not used as TLS library
  • zlib
    • used as the compression library
  • argon2
    • used for decrypt PuTTY private key file
  • PuTTY
    • used for display tooltip
    • used for cooperation with Pageant
    • not used for communication and terminal emulation
*6
 
Proxy No Yes*8 (HTTP, TELNET, SOCKS4, SOCKS5)