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Flowkeeper vs Flowtime: catalog facts
Flowkeeper	Flowtime
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under GPL-3.0-or-later.
Windows, macOS, Linux	Linux
Provides keyboard shortcuts and configurable work sessions.	Calculates breaks from work session length Offers customizable break tones and notifications
It is a focus timer rather than a full project-management system.	The only official distribution format is Flatpak
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is 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 8, 2026

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