edX Free Course Audit Track

Free Tier

Access thousands of real university courses from MIT, Harvard, Berkeley, and Oxford completely free on the audit track.

Eligibility: Audit mode allows free access to lectures and reading material.

Details

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moocaudit-freeharvardmit

Harvard's introduction to computer science, free to audit online.

Project-based web development curriculum with free certifications.

Free lessons and practice across maths, science and economics.

Visual step-by-step learning paths for developer and data roles.

Authoritative reference for HTML, CSS, JavaScript and browser APIs.

Dense one-page cheat sheets for tools, languages and command lines.