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.
tripcake - Doodle for travel plans with friends
80days.me 1.0 Travel - A website that plans multi-destination trips in a few clicks
DUNK - Surprise your friends with secret group plans
Nomad List - Find the best place to ❤️ live, 👩💻 work, and 💃 play
Howbout - Social calendar app to easily make plans & find availability