Direcon - Instagram Management Tool - Drive growth at every stage of your Instagram account.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Buffer for Instagram - Plan, track, and analyze your Instagram marketing
Facebook Local - Discover places to go and events happening near you
Instagram Analytics - Professional Instagram analytics
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets