This buggy thing is what I tried when working on my pc: https://tomighty.github.io/. Source: about 2 years ago

Bare minimum timer what many people use: https://tomighty.github.io/ . Mini timer is in tray but it has no session tracking. For more advanced app I just did quick search and found this project https://github.com/zxch3n/PomodoroLogger from first looks like switz knife of a pomo app 😅. Source: about 2 years ago

I usually use Tomighty for all the cycle task that I need. But recently It's no longer runs on my laptop anymore. https://tomighty.github.io/. Source: over 2 years ago

Try https://tomighty.github.io/ or https://chris.dziemborowicz.com/apps/hourglass/ - when minimized to taskbar icon it shows time progress as a background colour. If you find something better let me know. I also looking for a regular clock in taskbar (hour & minutes only). Source: almost 3 years ago

Working in PowerShell (.Net regex) one of my favorite tools is https://ultrapico.com/expresso.htm. It does require registering for a free license but it's well worth it. Source: about 2 years ago

Then you need this or something like it: https://ultrapico.com/expresso.htm. Source: over 2 years ago