edX
University courses, often free.
What is edX?
- Founded by Harvard + MIT.
- 3,000+ university courses.
- Audit free for most courses.
- Pay $50-$300 for verified certificate.
- Senior-friendly — learn at your pace.
- 30+ million students worldwide.
Audit free
- Watch all video lectures.
- Read course materials.
- Some quizzes free.
- No certificate without paying.
- Learn for love of learning.
- Stanford-quality at no cost.
Senior-popular courses
- HarvardX: The Civil War.
- MITx: Introduction to Philosophy.
- HarvardX: Justice with Michael Sandel.
- Genetics + Genealogy courses.
- Computer Science fundamentals.
- Hundreds of liberal arts.
Coursera alternative
- Coursera — similar model.
- Free audit on most courses.
- $49/month for unlimited.
- Both excellent.
- Try both, pick favorite.
- Different course catalogs.
Senior auditing tips
- Start with one course.
- Don't commit to certificate first.
- Watch at your pace.
- Skip what doesn't interest.
- Take notes if helpful.
- No pressure — for joy.
Find courses
- Visit edX.org.
- Browse by subject.
- Filter by free.
- Read course description.
- Check time commitment.
- Most courses 4-12 weeks.
Free Harvard courses
Many seniors don't realize they can audit Harvard, MIT, Stanford courses for FREE on edX. The same lectures, same readings as on-campus students. Skip certificate, get full education. Many seniors report this is the most stimulating retirement activity. CS50 (intro to computer science) is most popular — even at 70+ many enjoy it.