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Clock vs Clocks: catalog facts
Clock	Clocks
Free Free and open source under the GPL-2.0 or later licence.	Free Free and open source under the GPL-2.0-or-later licence.
Linux	Linux
Alarms, timers, stopwatch and world clock in one app Alarms can wake the device from suspend on Plasma	World clocks, alarms, stopwatch and timers in one app Regular releases from the GNOME project
Wake-from-suspend works only on Plasma Linux only	Linux only and designed around GNOME Covers basic time-keeping only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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