Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Wedio - Your Local Camera Sharing Community
Urban Jungle Street View - Explore the world through Google Street View: Jungle Mode
Cuba - Cuba is a Ruby microframework for web development.
Google NightWalk - An audio Streetview tour around Marseille
Ramaze - Ramaze is a very simple and straight-forward web-framework.