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gcalcli vs khal: catalog facts
gcalcli	khal
Free Free and open source under the MIT licence.	Free Free and open source.
Command line	macOS, Linux, Command line
Agenda, search, add, edit and delete from one command Scriptable output for shell workflows	Works with CalDAV calendars Both a command-line interface and an interactive terminal UI
Works only with Google Calendar Requires a Google account and API authorisation	Terminal only, with no graphical interface Calendar syncing is set up separately rather than built in
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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