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Calendr vs LunarBar: catalog facts
Calendr	LunarBar
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Completely free and open source.
macOS	macOS
Supports quick event entry with natural-language dates.	Lunar calendar dates in the menu bar Shows public holidays, system calendar events and reminders
Requires macOS calendar access for event integration.	macOS only Documentation is mainly in Chinese
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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