Kalam Labs - Twitch for Science
Quadbot - Build your own Robot
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.
Harry Potter Kano Coding Kit - Build a wand. Learn to code. Make magic.