Guides by Lonely Planet - Explore city guides curated by experts.
Uber - Uber is a website and mobile app that allows you to get a ride similar to a taxi service from your phone.
Flamyngo - Create a city guide with help of your friends.
LibreTaxi - Open source alternative to Uber/Lyft for Telegram
Foursquare 10 - Your ultimate city guide, in your pocket
BlaBlaCar - BlaBlaCar is a ride sharing service that connects travelers throughout Europe.