Wikids - An encyclopedia that talks to your kids
Kids First - Kids Videos and Nursery Rhymes – Kids First is a free kid education app developed and published by USP Studios.
Litnerd - The Pixar for education, reading program for K-5 schools
YouTube Kids - YouTube for the youngins on iOS and Android
Starry - A touchscreen Wi-Fi router and radical Internet service
ChuChu TV LITE - ChuChu TV LITE Best Nursery Rhymes Videos For Kids is an interesting app to stream more than 1000 videos.