Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
JetHop - Discover your next vacation without needing a destination!
Zoho Backstage - Plan, run, and analyze your event— all from one place
Maptia - Explore and contribute to a world of stories
Meetup for iOS and Android - Discover groups that are all about the things you love
Mapstr - Your places, your world!