Dialogflow - Conversational UX Platform. (ex API.ai)
TisaneAPI - Detect hate speech, cyberbullying, and more in 27 languages
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
YouTube Kids - YouTube for the youngins on iOS and Android
Botpress - Open-source platform for developers to build high-quality digital assistants
KidsWifi - Simply plug in to protect your kids online