Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
ReadingIQ - ReadingIQ is the most leading digital learning library app for kids ages 2 to 13.
Miraheze - Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...
Preschool - Preschool!
Oppia - Oppia is a free, open-source learning platform.
EduKittyABC - ABC Games for Kids – EduKittyABC is a fun tracing English alphabet educational app developed and published by Cubic Frog Apps.