Foursquare City Guide - Foursquare City Guide is a Free to use mobile application that will lead you to the perfect spot anytime anywhere around the world.
Houseparty - Brining empathy to online communication.
Flamyngo - Create a city guide with help of your friends.
Booyah - Video chat with up to 12 friends at the same time.
Sygic Travel Maps - Itinerary planner for independent travelers
Slack - A messaging app for teams who see through the Earth!