You can create events in Hubgets Topics, and they can add as reminders for the team. You can also create a private Topic for yourself for your own To Do List, and create events on that Topic. Hubgets Events will not replace a calendar, and you can integrate your calendar with Hubgets by using our APIs.
I have added a screenshot below on how you can add an event in Hubgets. If a topic is created by you, you can add events to it at any moment. Everyone watching that Topic will be notified: