Udemy continues to offer a selection of online courses for free. Each course includes hours of content and most are by far the best deals we could find for such classes. Here's a few interesting ones:
Learn Linux: Basics to Advance for free
Introduction to Cloud Computing for free (pictured)
Suze Orman has a huge following. But beware: The self-proclaimed personal finance expert has a track record that suggests more sizzle than steak.