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.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Down To Lunch - Press one button to get lunch with friends

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Bitebot - Coordinate everyday lunches directly in Slack

Eventjoy - The Easiest Way To Organize An Event