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25 Best Computer Science Courses Online

We compared 25 Computer Science courses currently listed on Coursera, edX and Udemy, priced from $19.99 to $466.20. 22 of them teach the subject directly and 3 are built around a certification exam. 17 come from a named university or institution, including University of California San Diego, Institute of Science Tokyo and Maryville University. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.

Courses compared
25
Price range
$19.99 – $466.20
Providers
Coursera, edX, Udemy
Last updated
30 Aug 2026
How these 25 courses were chosen

Every course below is a real, currently listed course from Coursera, edX, Udemy, matched to "computer science" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.

There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $466.20, as listed by the provider when we last updated the page.

  1. 1
    Coursera MOOC / Non-credit University-backed

    Introduction to Discrete Mathematics for Computer Science

    Offered by University of California San Diego

    Discrete Mathematics is the language of Computer Science. One needs to be fluent in it to work in many fields including data science, machine learning, and software engineering (it is not a coincidence that math puzzles...

    $79.00
    listed price
  2. 2
    edX MOOC / Non-credit University-backed

    Introduction to Computer Science and Programming

    Offered by Institute of Science Tokyo

    The term “Computation” refers to the action performed by a computer. A computation can be a basic operation and it can also be a sophisticated computer simulation requiring a large amount of data and substantial resource...

    $79.00
    listed price
  3. 3
    edX Bachelor's Degree University-backed

    Bachelor of Science in Computer Science

    Offered by Maryville University

    The Bachelor of Science in Computer Science is designed to equip students with a solid foundation in the fundamentals of computer science, along with practical skills in software development and system design. By explori...

  4. 4
    edX MOOC / Non-credit University-backed

    Trial Lessons: Philosophy and Computer Science

    Offered by University of Bayreuth

    Open to a new degree? Try it! This compact course will offer you a glimpse into the master's programme Philosophy & Computer Science at the University of Bayreuth in Germany. Throughout seven chapters, you will gain insi...

  5. 5
    edX MOOC / Non-credit University-backed

    Computer Science for Python Programming

    Offered by Harvard University

    This course focuses on Python programming within the realm of computer science, guiding you through foundational concepts and practical applications. You'll learn how to employ Python for various tasks and develop proble...

    $466.20
    listed price
  6. 6
    edX Certificate University-backed

    Computer Science

    Offered by University of Massachusetts Boston

    This Computer Science course offers a thorough grounding in essential concepts and practices within the field. By engaging with real-world applications, you’ll develop a solid foundation that will serve you well whether...

  7. 7
    edX MOOC / Non-credit University-backed

    Computer Science for Artificial Intelligence

    Offered by Harvard University

    This course provides a thorough foundation in computer science principles as they relate to artificial intelligence. You'll explore key concepts and technologies that drive AI development, helping you understand how algo...

    $466.20
    listed price
  8. 8
    edX MOOC / Non-credit University-backed

    Computer Science for Data Science

    Offered by Harvard University

    This course, 'Computer Science for Data Science,' aims to bridge the gap between computer science principles and the practical techniques needed in data science. You'll explore essential concepts, tools, and methodologie...

    $466.20
    listed price
  9. 9
    Udemy MOOC / Non-credit

    AP Computer Science A - Java Concepts and Fundamentals

    This course will provide you with a high-level understanding of Java concepts and fundamentals with a focus on succeeding on the AP Computer Science A exam. This course provides videos for each major topic that...

    $39.99
    listed price
  10. 10
    edX MOOC / Non-credit University-backed

    Computer Science 101

    Offered by Stanford University

    Introduction to Computer Science for a zero-prior-experience audience. Play with little phrases of code to understand what computers are all about.

    $249.00
    listed price
  11. 11
    edX MOOC / Non-credit

    Behavioral Interview Practice for Computer Science Students

    Offered by CodeSignal

    Practice behavioral interview skills for computer science job searches, including storytelling, recruiter screens, and panel interviews. Learn how to present your background clearly and respond to common interview prompt...

    $30.00
    listed price
  12. 12
    edX MOOC / Non-credit Certification prep University-backed

    CS50's Computer Science for Lawyers

    Offered by Harvard University

    This course is a variant of Harvard University's introduction to computer science, CS50, designed especially for lawyers (and law students).

    $299.00
    listed price
  13. 13
    edX MOOC / Non-credit Certification prep University-backed

    CS50's Introduction to Computer Science

    Offered by Harvard University

    An introduction to the intellectual enterprises of computer science and the art of programming.

    $219.00
    listed price
  14. 14
    edX MOOC / Non-credit Certification prep University-backed

    CS50’s Computer Science for Business

    Offered by Harvard University

    This is CS50’s introduction to computer science and tech literacy for business professionals.

    $299.00
    listed price
  15. 15
    Udemy Certificate University-backed

    Cálculo Diferencial e Integral - Universidade de T.I

    Offered by Universidade de T.I

    Neste curso iremos trabalhar com uma matéria que é padrão dos cursos de informática nas Universidades – Nível SuperiorEste curso aborda assuntos como:Exercícios de Limites!Diversas questões para resolver!Questões de Prov...

    $34.99
    listed price
  16. 16
    Udemy Certificate Lowest price here University-backed

    python 3.x Online Arabic

    Offered by Alexandria University

    السلام عليكم ورحمة الله وبركاتهمع حضراتكم م/أحمد قنديلخريج جامعة الأسكندرية دفعة 2002من سنة تخرجي(2002)  ولعدة سنوات  عن طريق إختبارات من قسم هندسة الحاسب بهندسة الأسكندرية تم إنتدابي لتدريس مادة الحاسب والبرمج...

    $19.99
    listed price
  17. 17
    Coursera MOOC / Non-credit University-backed

    Fundamentals of Network Communication

    Offered by University of Colorado System

    In this course, we trace the evolution of networks and identify the key concepts and functions that form the basis for layered architecture. We introduce examples of protocols and services that are familiar to the studen...

    $79.00
    listed price
  18. 18
    Coursera MOOC / Non-credit University-backed

    Introduction to Programming with MATLAB

    Offered by Vanderbilt University

    This course teaches computer programming to those with little to no previous experience. It uses the programming system and language called MATLAB to do so because it is easy to learn, versatile and very useful for engin...

    $49.00
    listed price
  19. 19
    Coursera MOOC / Non-credit University-backed

    Programming Languages Ⅰ

    Offered by Korea Advanced Institute of Science and Technology(KAIST)

    The goal of this course is to help students: 1. learn new languages quickly, 2. evaluate various languages and pick the most suitable one for a given task, 3. know when and how to design a little language, and 4. underst...

    $49.00
    listed price
  20. 20
    Coursera MOOC / Non-credit University-backed

    Precalculus: Periodic Functions

    Offered by Johns Hopkins University

    This course helps to build the foundational material to use mathematics as a tool to model, understand, and interpret the world around us. This is done through studying functions, their properties, and applications to da...

    $49.00
    listed price
  21. 21
    Coursera MOOC / Non-credit University-backed

    Unordered Data Structures

    Offered by University of Illinois Urbana-Champaign

    The Unordered Data Structures course covers the data structures and algorithms needed to implement hash tables, disjoint sets and graphs. These fundamental data structures are useful for unordered data. For example, a ha...

    $79.00
    listed price
  22. 22
    Coursera MOOC / Non-credit University-backed

    First Principles of Computer Vision

    Offered by Columbia University

    Welcome to the First Principles of Computer Vision website - https://fpcv.cs.columbia.edu/about. This website serves as a supplementary resource to this specialization. Here, you will find additional information about th...

    $49.00
    listed price
  23. 23
    Coursera MOOC / Non-credit University-backed

    Capstone Project: Teaching Impacts of Technology

    Offered by University of California San Diego

    In this project-based course you’ll review the Advanced Placement Computer Science Principles course and exam description guide to prepare for the “Explore Task”, where students must research a recent computing innovatio...

    $49.00
    listed price
  24. 24
    Coursera Certificate University-backed

    C and Go: Classical and Modern Programming

    Offered by University of California, Santa Cruz

    This specialization is intended for all programming enthusiasts, as well as beginners, computer and other scientists, and artificial intelligence enthusiasts seeking to develop their programming skills in the classical l...

    $49.00
    listed price
  25. 25
    Coursera MOOC / Non-credit University-backed

    C Programming: Language Foundations - 2

    Offered by Dartmouth College & Institut Mines-Télécom

    In this course you will learn to use logical statements and arrays in C. Logical statements are used for decision-making with follow-up instructions, based on conditions you define. Arrays are used to store, keep track o...

    $49.00
    listed price

Best Computer Science Courses Online compared

# Course Provider Offered by Price
1 Introduction to Discrete Mathematics for Computer Science Coursera University of California San Diego $79.00 View →
2 Introduction to Computer Science and Programming edX Institute of Science Tokyo $79.00 View →
3 Bachelor of Science in Computer Science edX Maryville University View →
4 Trial Lessons: Philosophy and Computer Science edX University of Bayreuth View →
5 Computer Science for Python Programming edX Harvard University $466.20 View →
6 Computer Science edX University of Massachusetts Boston View →
7 Computer Science for Artificial Intelligence edX Harvard University $466.20 View →
8 Computer Science for Data Science edX Harvard University $466.20 View →
9 AP Computer Science A - Java Concepts and Fundamentals Udemy $39.99 View →
10 Computer Science 101 edX Stanford University $249.00 View →
11 Behavioral Interview Practice for Computer Science Students edX CodeSignal $30.00 View →
12 CS50's Computer Science for Lawyers edX Harvard University $299.00 View →
13 CS50's Introduction to Computer Science edX Harvard University $219.00 View →
14 CS50’s Computer Science for Business edX Harvard University $299.00 View →
15 Cálculo Diferencial e Integral - Universidade de T.I Udemy Universidade de T.I $34.99 View →
16 python 3.x Online Arabic Udemy Alexandria University $19.99 View →
17 Fundamentals of Network Communication Coursera University of Colorado System $79.00 View →
18 Introduction to Programming with MATLAB Coursera Vanderbilt University $49.00 View →
19 Programming Languages Ⅰ Coursera Korea Advanced Institute of Science and Technology(KAIST) $49.00 View →
20 Precalculus: Periodic Functions Coursera Johns Hopkins University $49.00 View →
21 Unordered Data Structures Coursera University of Illinois Urbana-Champaign $79.00 View →
22 First Principles of Computer Vision Coursera Columbia University $49.00 View →
23 Capstone Project: Teaching Impacts of Technology Coursera University of California San Diego $49.00 View →
24 C and Go: Classical and Modern Programming Coursera University of California, Santa Cruz $49.00 View →
25 C Programming: Language Foundations - 2 Coursera Dartmouth College & Institut Mines-Télécom $49.00 View →

Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.

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