Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Pizzatime - Host a pizza party for your remote team
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Remote Age - Remote Jobs & Jobs Near You
Bigtent - BigTent is a web-based organization and communication portal for groups.
CoWop - Remote coworking members' club