Google Calendar Time Spent is a Chrome extension developed by zawadzki.louis. It falls under the category of Browsers and is listed as an Add-ons & Tools subcategory. This extension provides a useful feature that allows users to track the time spent on each color category in their Google Calendar.

With Google Calendar Time Spent, users can easily visualize and monitor the amount of time they have allocated to different activities or events on their calendar. By assigning different colors to various categories, such as work, personal, or social, users can gain insights into how they are spending their time throughout the week. This information can be helpful for managing time effectively and prioritizing tasks.

It is important to note that there may be some limitations with regards to accurately tracking time slots that are not multiples of 15 minutes. Additionally, meetings that have not been accepted are counted under the "white" category.

Overall, Google Calendar Time Spent is a valuable tool for users who want to gain a better understanding of how they are utilizing their time on Google Calendar.