Red Tricycle - Find Great Family Activities
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
Facebook Local - Discover places to go and events happening near you
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
Winnie - Great activities and destinations for families
Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.