WATisRain is an app to help you navigate the buildings of the University of Waterloo without going outside (by going through the various tunnels between buildings). You will find this invaluable when it's pouring rain or freezing cold.

• Easy to use graphical interface
• Supports all bridges and tunnels, and most major buildings on campus
• Direction list as well as route displayed on map
• Tells you when to climb up and down stairs
• 100% open source and ad free