Hi there, @user18960 
We have the Event Calendar app in our catalog, and I see that you’ve already found it. Eventbrite integration isn’t available there, but you can import events from your Google Calendar or add them manually:
Feel free to test it out and ask questions if anything comes up 
By the way, we already have a request for adding the Eventbrite integration to the widget. Don’t hesitate to upvote this idea - Integration with Eventbrite