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SmarTTY vs PuTTY: catalog facts
SmarTTY	PuTTY
Free Free to use; a portable version is also offered.	Free Free and open source under the MIT licence.
Windows	Windows, Linux, macOS
Multiple tabs share one SSH session Built-in SCP transfer of files and directories	One small executable that runs without installation A full suite: PSCP and PSFTP for files, Plink for scripts, Pageant as a key agent
Windows only Closed source	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: Freeware	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 20, 2026

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