Lrnon

Free forever · open source

Learn AI.
Free.
Forever.

From zero to builder — an open-source curriculum with hands-on practice and honest guidance. Finish a module and you earn a record of it. Certificates add an assessment — designed, not open yet. No paywalls. No tricks.

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Free for every learner · No paywalls · No dark patterns · No account needed

Sky, a friendly green owl-shaped robot with big round eyes, waving.

Meet Sky, your study buddy. Find Sky at the bottom right of any page, and drag Sky wherever suits you.

Catch the floating shapes: 3 bonus stars left today.

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Your phone unlocks by recognising your face. Is that AI deciding, or AI suggesting?
204
lessons live today
599
flashcards for daily review
17
badges to earn
Free
now, and at every step after

Why is this free?

Because knowledge about AI shouldn't depend on the size of your wallet. Lrnon is funded in the open: by donations from anyone who wants to give (learners included, and never as a condition of anything), by grants, and, under strict published rules, by advertising. We publish our finances. Nothing you need is ever behind money — not lessons, not practice, not records, not certificates, not Sky. Giving buys no extra features, no priority and no badge.

Published finances

Every donation, grant and any advertising income, in a public ledger.

Vendor-neutral

Nobody pays to be in a lesson, a ranking or a tool card. Ever.

Content CC BY-SA 4.0 · code MIT

Take it, translate it, teach with it. Attribution is all we ask.

Three tracks, one path

Start anywhere that's live, in any order that serves you.

14 of 14 live

Explorer

Understand and use AI well — from absolute zero.

planned

Builder

Engineer AI applications, agents, and deployments.

  • Python On-Ramp for AI

Every planned module, on one page →