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