Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Winnie - Great activities and destinations for families
Zoho Backstage - Plan, run, and analyze your event— all from one place
Yuggler - Fun activities for kids and family!
Meetup for iOS and Android - Discover groups that are all about the things you love
The Spoke - A social discovery app powered by the people you trust.