Code.org

Hour of Code courses and teacher-ready coding paths.

Open

Ages: Ages 6-8, Ages 9-12
Device: Web, Tablet
Ads: No ads
Account: Account optional
User content: Limited user content

Parent note

Many courses run without login. An account saves progress if you return across days.

On these lists

Ages 6-8
Ages 9-12
Best coding websites for kids
Best learning websites for kids

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Scratch

Block coding and a huge gallery of kid-made projects.

Open

Ages 6-8
Ages 9-12
No ads
Account optional
Open user content

Parent note: Public projects and comments are open. Use Scratch without sharing personal info, or create the account yourself and moderate the profile.

ScratchJr

Block coding app designed for early elementary ages.

Open

Ages 3-5
Ages 6-8
No ads
No sign-up
No user content