Rooster - Local sharing community where neighbors share free resources

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

Everyblock - Be a better neighbor

Event Hunt - Startups and Tech Events Curated By Locals

Nextdoor Now - Get the help you need from neighbors you trust

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