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WindTerm vs Tera Term: catalog facts
WindTerm	Tera Term
Free The author states WindTerm is completely free for commercial and non-commercial use…	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, macOS, Linux	Windows
SSH v2, SFTP, telnet, raw TCP, serial and tmux in one native client Free for commercial use with no seat or session limits	Serial console support, a macro language for automating sessions and signed binaries make it a staple for network…
Only part of the source is published, so it is not fully open source The last release was in March 2025 and the repository has been quiet since	The interface is dated, and it is Windows-only with no tabs in the classic sense.
Downloadable app	Downloadable app
Closed source	Open source
License: Apache-2.0	License: BSD-3-Clause
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.