YouTube Kids - YouTube for the youngins on iOS and Android
WiFi Map - A crowdsourced list of routers and passwords
Interland by Google - A game to help kids be safe, confident explorers online
WifiMapper - Find free WiFi anywhere in the world
TisaneAPI - Detect hate speech, cyberbullying, and more in 27 languages
Instabridge - Crowdsourced free wifi (now on Android)