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ZOC Terminal vs Tabby: catalog facts
ZOC Terminal	Tabby
Paid Commercial software sold through the developer's order page.	Free Free and open source under the MIT licence.
Windows, macOS	Windows, macOS, Linux
SSH, Telnet and serial connections in one client Many terminal emulations including TN3270 and VT420	Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration
Paid licence required No Linux version	Electron, so start-up and memory use are well above a native terminal The plugin ecosystem is small
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 21, 2026

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