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