Snap!

Block programming language

Drag blocks together to make animations and games, with no code to type.

Make it mineTry it (opens the authors’ own copy in a new tab)

“Make it mine” asks you to sign in first. On the Free plan, your copy is your one app; you can delete it any time.
“Try it” opens the authors’ own copy, not yours.

Made by
jmoenig
Licence
AGPL-3.0
Popularity
1.6k stars on GitHub
Uses
Your browser

What you can do

  • Make your own blocks when the built-in ones aren't enough
  • Run math experiments with the same blocks
  • Save a project as a file to keep or hand in

Who it’s forCoding teachers and kids aged 10 and up

Once it’s yours

  • Your own copy, at its own address
  • Anyone with its address can open it, until you choose who can
  • Change it with your own coding agent

Ideas for changing it

Once it’s live, give any line below to your coding agent.

  • Open with our class's starter project loaded

  • Make the blocks bigger so younger kids can see them

  • Hide the blocks our class hasn't learned yet

Source and licence

Snap! is open source: its authors, jmoenig, published the code for anyone to use and change.

Its licence, AGPL-3.0, lets you use and change it for free; when other people use your changed version, you share your changed code with them.

Your copy is the version you copied; the authors’ later updates don’t arrive by themselves.

This version on TofuThe authors’ original code

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