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PuTTY vs AbsoluteTelnet: catalog facts
PuTTY	AbsoluteTelnet
Free Free and open source under the MIT licence.	Paid Commercial software with a downloadable evaluation version.
Windows, Linux, macOS	Windows
One small executable that runs without installation A full suite: PSCP and PSFTP for files, Plink for scripts, Pageant as a key agent	Supports SSH plus Telnet and older SSH versions Integrated SFTP file transfer
The interface shows its age next to modern terminals There is no Mac port from the project; the Unix build is X11-based	Windows only Paid license required after evaluation
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License: Proprietary
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 20, 2026	Official website Full listing and sources Checked October 2, 2026

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