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Kapow Punch Clock vs GTimeLog: catalog facts
Kapow Punch Clock	GTimeLog
Free Free and open source under the GPL version 3.	Free Free and open source under the GPL-2.0 licence.
Windows, Linux	Linux
One-button clock in and clock out Editable sessions after the fact	Quick text entries with no project setup needed Plain text log files with a documented format
No macOS build listed Basic reporting compared with full time-tracking services	Linux only, built on GTK Documentation is described as work in progress
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it 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.