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Tabby vs KKTerm: catalog facts
Tabby	KKTerm
Free Free and open source under the MIT licence.	Freemium The GitHub build is free; the Mac App Store and Microsoft Store versions require a…
Windows, macOS, Linux	macOS
Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration	Combines terminal, remote desktop, and file transfer sessions Tabs can mix different pane types
Electron, so start-up and memory use are well above a native terminal The plugin ecosystem is small	The Mac App Store and Microsoft Store versions require a one-time payment.
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 8, 2026

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