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C-Kermit vs Tabby: catalog facts
C-Kermit	Tabby
Free Free and open source.	Free Free and open source under the MIT licence.
Command line	Windows, macOS, Linux
Handles serial lines as well as network connections Built-in scripting language for automated sessions	Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration
The current 10.0 release is still in beta Command-line interface with a steep learning curve	Electron, so start-up and memory use are well above a native terminal The plugin ecosystem is small
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
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.