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UserGuiding - User onboarding made easy, for less. Create product walkthroughs in a couple of clicks, without breaking the bank.
Flamyngo - Create a city guide with help of your friends.
Usetiful - Fight user churn with great user onboarding. Interactive product tours and smart tips significantly improve your user retention.
Foursquare 10 - Your ultimate city guide, in your pocket
Userlane - Digital adoption platform with interactive guidance for software applications allowing anyone to understand and master any software from the get-go.