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Official Description

Easy to use chronometer with the capability to mark intermediate times, showing both the absolute time and the elapsed time since the previous time mark.

- Large, easy to reach main buttons.
- Main buttons layout adjustable to fit your own hand.
- Same look and ease of use on both low resolution and high resolution devices.
- Can be controlled with a single hand, a single thumb.
- Mark as many intermediate times as you like.
- Although probably not necessary, internal help is available.
- No ad, no hidden network access, no personal data reading.
- Source code available under the Free Software license CeCILL-2.

Source code: https://gitlab.com/ybailly/qhrono