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EDX

edX

University courses from MIT, Harvard, and 200+ institutions, with free audit access

edX offers some of the most rigorous, university-grade course content available online, with genuinely free audit access to almost everything.

Overall score
8.9
out of 10
Price
Free to audit · certificates from $50
Free plan
Yes
Courses
4,000+ courses and programs
Languages
Subtitles in multiple languages, mostly English instruction
Certificates
Yes
Offline access
No
Course Catalog88%

edX's catalog leans academic and rigorous, sourced from 200+ universities including MIT and Harvard, particularly strong in programming, data science, and business.

Teaching Quality90%

Teaching quality is excellent given the university-level instructors, closely mirroring on-campus course rigor.

Platform UX82%

The platform is functional but less polished than newer competitors, and some courses run on fixed academic schedules rather than self-paced.

Pros
✓Courses from MIT, Harvard, and other top universities
✓Full course content free to audit, no paywall for learning itself
✓MicroMasters and professional certificate programs
✓High academic rigor
Cons
–No offline mobile downloads
–Interface feels dated compared to newer platforms
–Some courses have rigid start/end dates
What’s included
University-grade course content
Free audit mode
MicroMasters programs
Verified certificates
Credit-eligible courses
Executive education programs
Pricing

Nearly all course content can be audited completely free — you only pay if you want a verified certificate, typically $50-300.

Certificates

Verified certificates and MicroMasters credentials are respected, and some course credit can even transfer toward a full degree.

Mobile App

A mobile app exists for browsing and video playback, but it lacks full offline download support.

Popular courses on edX
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Harvard's famous introductory computer science course.

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Introduction to Computer Science and Programming Using Python (MIT)

MIT's foundational programming course using Python.

★ 4.715,000 ratings
MicroMasters in Data Science

Graduate-level data science program from UC San Diego.

★ 4.69,800 ratings
Marketing Analytics

Data-driven marketing decision-making, from the University of Illinois.

Frequently asked questions
Yes, almost all course content can be audited for free; only certificates require payment.