Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
Event Hunt - Startups and Tech Events Curated By Locals
uMap - uMap let you create maps with OpenStreetMap layers in a minute and embed them in your site.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.