Compare 14 Data Science courses from top providers — filter by price, level, provider & certificate.
Every free Data Science courses we track — 14 right now. You can work through the full syllabus at no cost; on some platforms the certificate is a paid add-on.
This filter returns only courses that carry no price tag. Every course listed is marked "Yes" for is_free, meaning zero tuition fees. Three free courses that show the range available are: Free Data Science with Python from freeCodeCamp, JavaScript Algorithms and Data Structures also from freeCodeCamp, and 100 Days of Code™: The Complete Python Pro Bootcamp from Udemy.
| Course | Duration | Level | Provider | Certificate |
|---|---|---|---|---|
| Free Data Science with Python | 300 hours | Beginner | freeCodeCamp | Yes |
| JavaScript Algorithms and Data Structures | 300 hours | Beginner | freeCodeCamp | Yes |
| 100 Days of Code™: The Complete Python Pro Bootcamp | Self-paced | Beginner | Udemy | Yes |
This filter is the wrong call for anyone seeking guided structure, employer-recognised credentials, or career-placement assistance. Learners who need a syllabus with set deadlines, direct instructor feedback, or a credential that appears on a résumé should look at paid options or facets that include certificate verification. The Data Science courses hub offers broader choices, and the Free Data Science Courses with Certificate facet narrows to those free courses that still provide a completion credential.
Same shortlist as below, side by side — including who runs it and why it stands out.
| Course | Provider | Rating | Price | Duration | Why pick this one |
|---|---|---|---|---|---|
| Free Data Science with Python |  freeCodeCamp |
4.7★ | Free | 300 hours | Free — and still gives a certificate |
| The Data Science Course: Complete Data Science Bootcamp 2026 |  Udemy |
4.5★ | Free | Free — certificate included | |
| Data Science & Machine Learning Bootcamp | Udemy |
4.7★ | Free | 44 hours | Highest rated (4.7★ from 30.9K reviews) |
| Machine Learning A-Z: AI, Python & R | Udemy |
4.5★ | Free | 43 hours | Quickest to finish (43 hours) |
| Mathematics-Basics to Advanced for Data Science And GenAI | Udemy |
4.6★ | Free | Free — certificate included | |
| Data Science & AI Advanced Full Course - From Zero to Pro | Udemy |
4.5★ | Free | Free — certificate included |
freeCodeCamp VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedFor beginners, IBM Data Science (Coursera) and freeCodeCamp's free Python track are the highest-rated — both start from zero and build to real projects.
Yes. freeCodeCamp, Kaggle and IBM (audit on edX) offer high-quality free data science content. Paid courses add structure, certificates and placement support.
Roughly 4–8 months at 8–10 hours a week to become job-ready, covering Python, statistics, ML and a portfolio project.
