TripIt - TripIt is a travel app that creates a master itinerary to organize all of your plans for your vacation or work trip in one spot.

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.

Event Hunt - Startups and Tech Events Curated By Locals

WorldMate - WorldMate is a travel app that helps individuals plan and organize trips. The app is available for Android and iOS mobile devices, and it is free to download and use.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets