Compare software

khal vs calcurse: catalog facts
khal	calcurse
Free Free and open source.	Free Free to download, with donations accepted.
macOS, Linux, Command line	Linux, Command line
Works with CalDAV calendars Both a command-line interface and an interactive terminal UI	Recurring appointments, all-day events and to-dos Scriptable command-line mode
Terminal only, with no graphical interface Calendar syncing is set up separately rather than built in	CalDAV sync is experimental Terminal interface only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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