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khard vs Cardhop: catalog facts
khard	Cardhop
Free Free and open source.	Freemium Free to start, with paid features from Flexibits.
macOS, Linux, Command line	macOS, iOS
Works on plain vCard files Fits terminal mail setups	Natural language input for adding and editing contacts Quick access from the menu bar
No built-in sync; needs a separate CardDAV tool Command line only	Apple platforms only Full features require payment
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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