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| Course | Provider | Price | Why pick this one |
|---|---|---|---|
| IBM Data Science (Free Audit) | edX | Free | Most popular — 420K learners |
| SQL for Data Analysis | Udacity | Udacity | Free | Highest rated (4.7★ from 559 reviews) |
| Developing Android Apps with Kotlin | Udacity | Udacity | Free | Free to audit |
