TL;DR: You can find a wide range of online courses from MIT on edX, covering topics like machine learning, programming, entrepreneurship, and more. Some of the best examples of these courses are available for free for a limited time.

We're always searching for the best online courses you can take for free. This hunt is a constant effort, but we might have finally found the treasure at the end of the rainbow.

As of Feb. 24, a wide range of online courses from MIT are available for free on edX. You can take lessons on topics like machine learning, programming, entrepreneurship, and much more, without spending a penny. We should be very clear that these are not always beginner-friendly courses, so it's worth researching everything carefully before getting involved. We wouldn't want you to feel lost.

You'll come across plenty of free courses on edX, so we've highlighted a small selection of standout options to get you started. These are the best free online courses available from MIT this week:

• Introduction to Computer Science and Programming Using Python

• Machine Learning with Python: From Linear Models to Deep Learning

• Becoming an Entrepreneur

• Molecular Biology Part 1: DNA Replication and Repair

• Foundations of Modern Finance

All of these courses are genuinely available for free, but students can choose to receive a verified certificate for a small fee. There's no pressure to pay anything though, so what's stopping you from enrolling?

Find the best free online MIT courses on edX.