Compare software

klog vs Tock: catalog facts
klog	Tock
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0-or-later license.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Time data stays in readable plain-text files you own Published file format specification in the public domain	Stores activities in plaintext files or several other backends Includes an interactive terminal calendar
Command line only, no graphical interface Requires learning the file syntax	System calendar synchronization is available only on macOS
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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 8, 2026

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