Hivemapper - Build maps that reveal changes 🌏
Google NightWalk - An audio Streetview tour around Marseille
Google Street View Oceans - "Street view" on oceans around the world
Cat Street View - Explore Japan... as a cat.
Google Street Discovery - Discover 9,000+ beautiful Google street view locations
Hoodie - A fast offline-first architecture for webapps. Super-simple user management & storage. Great for mobile.