Platform: iOS, Android; Free

We’ve all had one of those mornings: You’re racing to work (running late, of course) when you find yourself stuck behind an accident. Waze won’t wake you up in the morning, but it can help you get to work on time. The community-based traffic app is powered by members dropping pins for common violators, like accidents, traffic jams, and police, onto a shared map. Consider a few of your problems solved.