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WindTerm vs PuTTY: catalog facts
WindTerm	PuTTY
Free The author states WindTerm is completely free for commercial and non-commercial use…	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, Linux, macOS
SSH v2, SFTP, telnet, raw TCP, serial and tmux in one native client Free for commercial use with no seat or session limits	One small executable that runs without installation A full suite: PSCP and PSFTP for files, Plink for scripts, Pageant as a key agent
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 shows its age next to modern terminals There is no Mac port from the project; the Unix build is X11-based
Downloadable app	Downloadable app
Closed source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 20, 2026

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