Duolingo

Learning for Live: This free service uses points, levels, and achievements to make learning a new language fun and addictive. It's easy to get started; just download the app, create a free account, pick a language, and you're ready to go.

Udemy

Learning for Live: Udemy is all about options. Students choose from over 130,000 online courses, which cover a broad range of focuses and make use of more than 57,000 instructors.

Skillshare

Comic's Collector: Gain creative, business, or tech skills from over 30,000 online courses. The site boasts expert instructors like author Roxane Gay and illustrator Yuko Shimizu.