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.

For desktop

By installing the desktop app, you can quickly measure the time from the menu-bar. Supports Windows, Mac and Linux.

Download (Go to GitHub)

...And other great features.

PWA Support

OAuth 2.0 Provider