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Tabby vs SuperPuTTY: catalog facts
Tabby	SuperPuTTY
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows
Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration	Tabbed interface for many PuTTY sessions Simple scripting for basic tasks
Electron, so start-up and memory use are well above a native terminal The plugin ecosystem is small	Windows only Depends on PuTTY being installed
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
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 2, 2026

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