2021-06-05 Our Privacy Policy has been updated

Manage your meaningful time.

Open-source Time Tracking Application.

Start using Hackaru


Hackaru is the cross-platform and open-source time tracking application. You can measure your meaningful time like reading book, study, programming.


You can use the calendar to look back on activities. And you can also later update or add activities from the calendar.


You can use the report to analyze activities.

Auto Tracking

By installing the desktop version, you can automatically measure the time you are using your favorite applications like Atom, Sketch, Photoshop.

See Desktop version

...And other great features.

PWA Support

OAuth 2.0 Provider