Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
Apple Events for macOS - The unofficial Apple Events app for macOS
Reminder - A better way to keep track of your reminders 📝
Facebook Local - Discover places to go and events happening near you
Down To Lunch - Press one button to get lunch with friends
TechEvents.co - Tech and startup events aggregator