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Solar-PuTTY vs Tabby: catalog facts
Solar-PuTTY	Tabby
Free Free to download and use.	Free Free and open source under the MIT licence.
Windows	Windows, macOS, Linux
Tabbed interface for many sessions at once Saved credentials and private keys for auto-login	Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration
Windows only Closed source, from a vendor that uses it to promote paid monitoring products	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 23, 2026	Official website Full listing and sources Checked September 21, 2026

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