GPS and Navigation

Waze GPS

Waze is a social GPS maps and traffic that lets the drivers to share real-time traffic and road information to save time, gas money, and improve daily commuting for all. Waze creates a platform where people can report report accidents, police traps and other hazards you see on the road.
Download: Google

City mapper

City mapper is a real time navigation application. Their navigation system covers everything: subway / metro, bus, cycle / bike sharing, train / rail, tram, ferry, cab / taxi, Uber, car sharing and walking. A lot of people prefer it over popular applications like Google map. The only downside to city mapper is that it only covers major cities. But the app is expanding and you can vote for your city to be added there.
Download: Google