Detour - Immersive audio walks, now in 17 cities
SparkStudio - Online extracurricular classes for 5-15 year olds
Tales & Tours - The personal tour guide that fits in your pocket
O'Daddy - Creating quality time for parents and kids!
TripScout - Self-guided city tours from local experts
Wiki City Guide - Wiki City Guide will automatically read out loud Wikipedia articles of places of interest when you are close to them.