Calca is a free Chrome add-on developed by harunme3. It falls under the category of Browsers and the subcategory of Add-ons & Tools. With Calca, users can easily record and track their time spent on various tasks.

This handy tool allows users to accurately calculate and keep a record of the time spent on different activities. Whether you're working on a project, studying, or simply want to keep track of how you spend your time, Calca provides a convenient solution.

Calca's user-friendly interface makes it easy to input and manage your time logs. The program allows you to create different categories and subcategories to organize your activities efficiently. By tracking your time, you can gain insights into your productivity and identify areas where you can improve.

Overall, Calca is a useful time tracking tool for Chrome users. It helps in recording and counting the time spent on various tasks, making it a valuable addition for anyone looking to manage their time effectively.