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ZOC Terminal vs PuTTY: catalog facts
ZOC Terminal	PuTTY
Paid Commercial software sold through the developer's order page.	Free Free and open source under the MIT licence.
Windows, macOS	Windows, Linux, macOS
SSH, Telnet and serial connections in one client Many terminal emulations including TN3270 and VT420	One small executable that runs without installation A full suite: PSCP and PSFTP for files, Plink for scripts, Pageant as a key agent
Paid licence required No Linux version	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 not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 20, 2026

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