GHuser - Better GitHub profiles for everyone
YouTube Kids - YouTube for the youngins on iOS and Android
Octohunt - Search to find developers in your city on Github.
Mashs and the Bear - Mashs and the Bear developed and published by 01Digital for Android and iOS devices.
GitHub Visualizer - Enter user/repo and see the project visually
BabyFirst - BabyFirst: Education Songs, Games, and TV for Kids is a safe and fun way for kids to sprout, start learning, and explore.