Khan Academy
Calculus 1
Interactive first course in calculus with videos and mastery practice on limits, derivatives and integrals.
No certificateMathematics
Self-pacedBeginner
173 free courses
All free online courses
Search and filter everything we list. Every card says whether the certificate is free, paid or not offered, and links straight to the provider.
19 of 173 free courses match
OpenLearn
Starting with psychology
Short Open University taster on split brains, memory, relationships and group pressure.
Free certificateHealth & Psychology5 hrsBeginnerCoursera
Cryptography I
Stanford's well-known course on how cryptographic primitives work and how to use them correctly, taught by Dan Boneh.
Paid certificateCyber Security24 hrsIntermediateMIT OpenCourseWare
6.0001 Introduction to Computer Science and Programming in Python
MIT's classic intro to computational thinking and Python, with full lectures and problem sets.
No certificateProgramming60 hrsBeginnerMIT OpenCourseWare
6.100L Introduction to CS and Programming using Python
MIT's 2022 full-semester intro to programming in Python, taught by Ana Bell.
No certificateProgramming80 hrsBeginnerMIT OpenCourseWare
Classical Mechanics (8.01SC)
MIT's self-paced introductory mechanics course, from kinematics to rolling motion.
No certificateScienceSelf-pacedBeginnerMIT OpenCourseWare
Fundamentals of Biology (7.01SC)
MIT introductory biology covering biochemistry, molecular biology, genetics and recombinant DNA.
No certificateScienceSelf-pacedBeginnerMIT OpenCourseWare
Introduction to Psychology (9.00SC)
John Gabrieli's MIT survey of psychology, from the brain and vision to personality and disorders.
No certificateHealth & PsychologySelf-pacedBeginnerMIT OpenCourseWare
Principles of Chemical Science (5.111SC)
Catherine Drennan's MIT introductory chemistry course, from atoms to kinetics.
No certificateScienceSelf-pacedBeginnerMIT OpenCourseWare
Single Variable Calculus (18.01SC)
MIT's self-study version of first-year calculus, organised into units with lectures, recitations and problems.
No certificateMathematicsSelf-pacedBeginnerMassachusetts Institute of Technology
The Missing Semester of Your CS Education
MIT's short course on the shell, Git, debugging and the tools every programmer uses.
No certificateProgramming12 hrsBeginnerMIT OpenCourseWare
6.0002 Introduction to Computational Thinking and Data Science
MIT's follow-on to 6.0001 on optimization, simulation, statistics and intro machine learning.
No certificateData Science60 hrsIntermediateMIT OpenCourseWare
6.006 Introduction to Algorithms
MIT's core algorithms course with Erik Demaine, Jason Ku and Justin Solomon.
No certificateProgramming90 hrsIntermediateMIT OpenCourseWare
6.034 Artificial Intelligence
Patrick Winston's classic MIT AI lectures on search, constraints, learning and inference.
No certificateAI & Machine Learning40 hrsIntermediateMIT OpenCourseWare
Introduction to Probability and Statistics (18.05)
MIT undergraduate course on probability, Bayesian inference and frequentist statistics.
No certificateMathematicsSelf-pacedIntermediateMIT OpenCourseWare
Linear Algebra (18.06, Spring 2010)
Gilbert Strang's classic MIT linear algebra lectures with problem sets and exams.
No certificateMathematicsSelf-pacedIntermediateMassachusetts Institute of Technology
MIT 6.S191: Introduction to Deep Learning
MIT's fast-paced bootcamp on deep learning, refreshed each year, with free lectures and labs.
No certificateAI & Machine Learning15 hrsIntermediateMIT OpenCourseWare
Multivariable Calculus (18.02SC)
MIT's self-study multivariable calculus: vectors, partial derivatives and multiple integrals.
No certificateMathematicsSelf-pacedIntermediateMIT OpenCourseWare
Finance Theory I (15.401)
MIT Sloan's graduate finance course by Andrew Lo, with full video lectures, slides, problem sets and exams.
No certificateFinance & AccountingSelf-pacedAdvanced