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Serial vs C-Kermit: catalog facts
Serial	C-Kermit
Paid Costs $39.99 with a free trial and upgrade pricing for earlier owners.	Free Free and open source.
macOS	Command line
Built-in support for most serial adapters without installing drivers Hex view and hex send panel for binary device protocols	Handles serial lines as well as network connections Built-in scripting language for automated sessions
macOS only Paid licence after the trial	The current 10.0 release is still in beta Command-line interface with a steep learning curve
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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