Overview of difference between Teraterm 2.3 (original version) by Takashi Teranishi and Tera Term 4 and Tera Term 5.
| Content | Tera Term Pro 2.3 | Tera Term 4 | Tera Term 5 |
|---|---|---|---|
| Source code | Opened | Opened | Opened |
| License | Proprietary*1 | Modified BSD license*2 | Modified BSD license |
| Development tool | Visual C++ 5.0 / Watcom C/C++ 11.0 | Visual Studio 2005 | Visual Studio 2022 |
| Icon | |||
| Maximum COM port | 16 | 4096 | 4096 |
| Serial speed | from 110 to 115200 | from 110 to 921600, and editable | from 110 to 921600, and editable |
| Japanese character code | EUC-JP/Shift_JIS/JIS | EUC-JP/Shift_JIS/JIS/UTF-8/UTF-8 MAC | EUC-JP/Shift_JIS/JIS/UTF-8 |
| Unicode support | Not supported | Support single language*4 | Support multi language |
| IPv6 support | No | Yes | Yes |
| i18n support | No | Yes*5 | Yes |
| Linked library*6 |
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| TTSSH icon | |||
| supported SSH version | SSH 1.5 | SSH 1.5 and 2 | SSH 1.5 and 2 |
| supported SSH feature | shell, port-forwarding, X11 forwarding | shell, port-forwarding, X11 forwarding, SCP | shell, port-forwarding, X11 forwarding, SCP |
| Pageant*7 collaboration | No | Yes | Yes |
| Linked library*6 |
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| Proxy | No | Yes*8 (HTTP, TELNET, SOCKS4, SOCKS5) | Yes (HTTP, TELNET, SOCKS4, SOCKS5) |