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Remind vs Calcure: catalog facts
Remind	Calcure
Free Free software under the GNU GPL version 2.	Free Free and open source under the MIT licence.
Linux, Command line	Windows, macOS, Linux, Command line
Powerful scripting for recurring events, exceptions and holidays Output as text, PDF, PostScript or HTML	Vim keybindings and few keystrokes per action Reads events and tasks from .ics files
The scripting language takes time to learn Distributed as a source tarball	Terminal only, with no graphical interface Windows setup needs Python and extra steps
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
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 October 2, 2026

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