Detour - Immersive audio walks, now in 17 cities
GuruWalk - GuruWalk is a platform to connect travelers (walkers) with local free walking tour guides (gurus), democratizing access to culture and promoting local economies, present in more than 100 countries and thousands of destinations.
Sygic Travel Maps - Itinerary planner for independent travelers
Outguided - Feast your eyes on Outguided 2.0!
Foursquare 10 - Your ultimate city guide, in your pocket
Tales & Tours - The personal tour guide that fits in your pocket