Formal education will make you a living, self-education will make you a fortune.

It seems like these days you can learn just about anything online for free, but of course some of that information is better than others. The good news is there are plenty of reputable places to educate yourself online for free, and here’s a good 20 of them to get you started.

1. Coursera
The coolest thing about Internet learning is that you can take college courses which in the past were only available to people who forked over immense sums of money to attend elite colleges. Coursera brings a bunch of those classes together into one site, offering nearly 400 courses ranging from Introduction to Guitar from Berklee College of Music to Constitutional Law from Yale.

20 Places to Educate Yourself Online for Free

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