Coursera
#1Online courses
Courses and certificates from universities and companies
CoursesVideoFree + paid Certificate
Any subject
Best online courses in 2026
University and expert-led courses on every subject, many with certificates. 6 options, ranked.
6 resources
edX
#2Online courses
University courses online, from single classes to full degrees
CoursesVideoFree + paid Certificate
Any subject
Khan Academy
#3Online courses
Free lessons and practice in maths, science and more
CoursesVideoFree
Any subject
Udemy
Online courses
A huge marketplace of self-paced video courses
CoursesVideoPaid Certificate
Any subject
FutureLearn
Online courses
Short courses from UK and international universities
CoursesVideoFree + paid Certificate
Any subject
Skillshare
Online courses
Creative classes in design, illustration, video and more
CoursesVideoPaid
Any subject