Name: Pretty Google Calendars
It was supposed to allow me to change the way google calendar is shown on my website but it was very difficult to setup and requires me to start a google project and find the calendar API for that. In the process of trying to do all that I hit a paywall and my journey came to an end. It was interesting to read about the ability change out of the calendar view however and this may have implications in the future.
This plugin did end up teaching me how to embed a google calendar into my post which could have uses in the future.
It is however rated 4.5 stars with just 15 reviews and 3,000+ installations.
Overall I give this plugin a 2 star review due to the mess of getting it setup as well as the lack of a UI that would make setup easier.