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PuTTY vs ZOC Terminal: catalog facts
PuTTY	ZOC Terminal
Free Free and open source under the MIT licence.	Paid Commercial software sold through the developer's order page.
Windows, Linux, macOS	Windows, macOS
One small executable that runs without installation A full suite: PSCP and PSFTP for files, Plink for scripts, Pageant as a key agent	SSH, Telnet and serial connections in one client Many terminal emulations including TN3270 and VT420
The interface shows its age next to modern terminals There is no Mac port from the project; the Unix build is X11-based	Paid licence required No Linux version
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
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 September 24, 2026

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