YouTube Kids - YouTube for the youngins on iOS and Android
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Mashs and the Bear - Mashs and the Bear developed and published by 01Digital for Android and iOS devices.
GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
BabyFirst - BabyFirst: Education Songs, Games, and TV for Kids is a safe and fun way for kids to sprout, start learning, and explore.
GitHub Hovercard - GitHub Hovercard provides neat hovercards for GitHub.