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