Coursera
Free courses with optional certificates from top universities.
edX
Free online courses with verified certificates available.
Alison
Free courses with digital certificates and diplomas.
Udemy
Free courses occasionally offer certificates on completion.
FutureLearn
Free courses with optional certificates from recognized institutions.
Khan Academy
Free learning platform with practice exercises (certificates for some programs).
Saylor Academy
Free online courses with free certificates after passing assessments.
Class Central
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OpenLearning
Free and paid courses with certificates upon completion.
Coursera Professional Certificates
Some programs offer free trials with certificates.