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| Course | Provider | Price | Why pick this one |
|---|---|---|---|
| Six Sigma: Certified Lean Six Sigma White Belt (Accredited) | Udemy | Free | Free — and still gives a certificate |
| Learn Typescript: Free Tutorial | Codecademy | Free | Free — certificate included |
| Learn React | Codecademy | Free | Free — certificate included |
| Learn Intermediate Java: JUnit Testing | Codecademy | Free | Highest rated (4.7★ from 132 reviews) |
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