Kalam Labs - Twitch for Science
MODI - Create anything you want with robotics of things
Learney - Knowledge aggregator for developers
Bitsbox - Monthly code projects for kids
Bini Super ABC - Bini Super ABC! Alphabet Games for Toddlers and Kids is a fun education app for those kids who want to learn letters and sounds of the whole alphabets.
Stemi Hexipod - A robot you can create on your own, at home