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Varnook

Status: LiveProgramming education

Varnook: Learn programming by writing real code

Short lessons, an editor that runs your code, checks on every exercise, and hints that keep you thinking.

Start learning free

varnook.com

The Varnook home page with its headline beside a live Python example from a lesson, ready to run in the browser. — Varnook interface preview

How it works

Write code, check it, get unstuck

Real exercisesWrite code in the browser and get checked against what the exercise actually asks for.
Five languagesPython, JavaScript, SQL, HTML/CSS, and HollowScript, from first lesson to practical projects.
Help that asks before it tellsWritten hints come one step at a time. After them, an AI assistant is designed to guide your next step with questions, without doing the work for you.
Pick up where you left offYour dashboard takes you back to where you were, and review follows what you have actually completed.

Screenshots

Varnook up close

The Varnook lesson workspace on a JavaScript loop exercise, with the lesson, code editor and all four checks passing.

The Varnook lesson workspace on a JavaScript loop exercise, with the lesson, code editor and all four checks passing.

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Learn to program by making things work

Varnook is live at varnook.com. The free plan includes every course, with weekly allowances of learning hours and AI hints. Paid plans are coming soon.

Start learning free