Verified free online courses for adults, with certificate conditions and a verification date.
This is a resource selection, not a ranking. Conditions cover the free offering described; each course may have its own dates and rules. Participation documents are not automatically professional qualifications.
Data checked: 2026-10-26
University courses in computing, business and education.
Free learning.
Register and check the course dates and pass requirements. Completion statement available; additional credentials may have separate conditions.
Adults seeking structured study.
Source ↗Business and workplace skills.
Courses and certificates are free.
An account, completed lessons and tests, and course feedback unlock the PL/EN certificate.
Entrepreneurs, employees and aspiring founders; registration is open to everyone.
Source ↗Independent learning from The Open University.
Free materials and participation statement.
A statement requires an account, enrolment and required activities. It is not a degree or academic credit.
Adults comfortable studying in English.
Source ↗Self-paced business, computing and English courses.
Course access and ordinary completion certificate are free.
Pass the final exam, usually at least 70%. The academic-credit route is separate and may cost money.
Adults ready for a longer English-language course.
Source ↗Interactive school and vocational material for revision.
Free learning resources.
A resource library, not a promised certificate. Choose a level and check the individual lesson’s currency.
Adults revisiting foundations and parents supporting pupils.
Source ↗Exercises and videos in maths, science and computing, from basics to upper-secondary level.
Completely free, no ads.
No account is needed to watch; with an account you can track progress. No certificates.
Adults brushing up on maths and parents helping children.
Source ↗An introduction to artificial intelligence from the University of Helsinki and MinnaLearn, with no programming or hard maths.
The online courses are free.
Introduction to AI certificate after completing the required exercises; the certificate for the second course, Building AI, may be paid.
Anyone who wants to understand how AI works and how it will affect work.
Source ↗Interactive modules and paths: Excel and Office, cloud, data, security, programming.
The training modules are free.
Sign in with a Microsoft account to save progress. Microsoft certifications require separate exams; check their terms before registering.
Office workers and people retraining for IT.
Source ↗Training in Google’s business tools: Google Ads, Analytics, Business Profile.
Online e-learning courses and product certifications.
Certificate after passing an online test; it shows knowledge of a tool, not a professional qualification.
People running marketing for a small business or looking for marketing jobs.
Source ↗Courses and certifications in marketing, sales, customer service and social media.
Courses and certifications are free (account required).
Certificate after passing the course exam; some content focuses on HubSpot tools.
People in marketing and sales, including career starters.
Source ↗Academic courses and lectures in science, humanities and social sciences, a project of the Copernicus Center Foundation and Jagiellonian University.
Online courses and lectures are free.
Each course has its own dates and rules; check the description before enrolling.
Adults who want to learn from university-level material.
Source ↗