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Super Productivity vs Flowkeeper: catalog facts
Super Productivity	Flowkeeper
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux, Android	Windows, macOS, Linux
Combines projects, subtasks and timeboxing with service integrations.	Provides keyboard shortcuts and configurable work sessions.
External task integrations require their own accounts and configuration.	It is a focus timer rather than a full project-management system.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
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 September 22, 2026

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