10 Best + Free Computer Science Courses & Certification [2021 OCTOBER]

best computer science course class certification training online

20+ Experts have compiled this list of Best Computer Science Course, Tutorial, Training, Class, and Certification available online for 2021. It includes both paid and free resources to help you learn Computer Science. These courses are suitable for beginners, intermediate learners as well as experts.


10 Best + Free Computer Science Courses, Certification, Training, Classes and Bootcamp Online [2021 OCTOBER] [UPDATED]

1. Fundamentals of Computing Specialization by Rice University (Coursera)

This specialization in computer science is designed to help you learn sophisticated programming skills in Python from the ground up. Using the acquired skills you will build more than 20 fun projects. At the end of the journey, you will take a final exam that will allow you to demonstrate the range of knowledge and earn the certification.


Key USPs-

– The course can be taken by anyone without any prior experience.

– Easy interactive lectures that make learning a fun experience.

– The initial lectures help to get familiar with the foundational concepts and terms so that students can build a strong base.

– The flexible deadlines give you the liberty to learn as per your convenience.

– Pass the final exam and other graded assessments to complete the program.


Duration: 8 months, 5 hours per week

Rating: 4.8 out of 5

You can Sign up Here 



2. Free Computer Science Courses by Colleges (edX)

If you want to jump-start a career in software development, get familiar with the computer science concepts irrespective of your current experience level or just prepare for your exams, this platform has got you covered. Find a list of courses divided into various categories that cater to different requirements. Some of the top choices are an introduction to computer science, data analysis, data science, c programming with Linux, front end development and more.     


Key USPs-

– No prerequisite is required for the novice level certifications.

– The course content is useful in beginning a career in this field, preparing for exams and industrial interviews.

– The lessons are self-paced and consist of a plethora of practice questions.

-The relaxed and interactive teaching style of the instructor creates a great learning environment.

– The supplementary materials and quizzes enhance the learning process.

– The videos and additional content can be accessed for free and a verified certification can be added for a nominal price.


Duration: Self-paced

Rating: 4.5 out of 5

You can Sign up Here 



3. CS50’s Computer Science for Business Professionals (edX)

This introductory certification is designed for managers, founders, and more generally decision-makers. Following a top-down approach, the classes start by emphasizing mastery of high-level concepts and design decisions related thereto. Attend lectures on computation thinking, programming languages, internet technologies, web development, technology stacks, and cloud computing to gain the ability to make technological decisions. By the end of the program, you will be confident in the factors that guide your decision making.


Key USPs –

– All the necessary concepts are explained clearly so that they can be understood by anyone without a technological background.

– Improve your decision-making skills.

– Work on the quizzes and assignments to assess your grasp on the topics covered.

– The study materials, videos, and exercises are available for free and the certification can be added for an additional fee.


Duration: 6 weeks, 2 to 6 hours per week

Rating: 4.8 out of 5

You can Sign up Here



4. Programming for Everybody – Getting Started with Python (Coursera)

This course aims to get you started with one of the most popular programming languages nowadays. You will learn the basics of programming step by step using Python. Explore the techniques of constructing a program, from a series of simple instructions. As no advanced mathematics or coding knowledge is required, therefore the classes can be taken by pretty much anyone interested.


Key USPs-

– Use variables to store, retrieve and calculate information.

– Utilize core programming tools such as functions and loops.

– As this is a beginner level course, therefore it is perfect for learners with little or no basic programming experience.

– Implement the concepts covered in the lessons by writing your first Python program and experimenting with the different techniques.

– The lectures are designed in a fun and interactive manner which makes it engaging and can be used to solve complex challenges.


Duration: 12 hours, 2 to 4 hours per week

Rating: 4.8 out of 5

You can Sign up Here


After trying tutorial after tutorial and exploring many different resources to learn Python, I have finally found one that works! This is a very fun course, and the free textbook is simply incredible. -BN



5. Computer Science and Mobile Apps by Harvard University (edX)

In this program, the instructor will show you how to think algorithmically and solve problems efficiently. The initial course will give you a robust understanding of the fundamentals of programming and computer systems. Following this, you will have the opportunity to build on your skills and work on mobile app development using the React Native Framework. With problem sets inspired by cryptography, finance, forensics, and gaming, you will become familiar with a variety of programming languages. Finally, work on a final project for which you will implement an app of your own design.


Key USPs –

– Cover concepts like abstraction, algorithms, data structures, encapsulation, resource management, security, software engineering, and web development.

– Familiarity in a number of languages, including C, Python, JavaScript, SQL, CSS, and HTML

– Develop your own mobile app using JavaScript, JSX, ES6, React Native.

– Master components, props, state, style, views, user input, components, and debugging.

– Explore the examples and finish the graded assessments and assignments to earn the certification.


Duration: 2 courses, 13 weeks per course, 8 to 16 hours per week, per course

Rating: 4.5 out of 5

You can Sign up Here



6. MicroBachelors Program in Computer Science Fundamentals by New York University (edX)

This comprehensive program offers an opportunity to get an in-depth understanding of the fundamental aspects required for a career in computer science. Commence with the basics of networking protocols and layers and follow it up with an overview of the hardware, as well as operating system architecture. The classes conclude by taking a look at the programming syntax and logic.


Key USPs-

– No prerequisite is required for enrollment.

– Develop the ability of computational thinking.

– Work on coding with the Python language.

– Learn about memory management, deadlocks and more.

– Focus on network security.

– Complete all the mandatory requirements to earn academic credit and certification.


Duration: 6 months, 4 to 6 hours per week

Rating: 4.5 out of 5

You can Sign up Here



7. Computer Science 101 (Stanford Online)

If you are someone who has always been fascinated by technology and computers but never had the courage to go ahead and try your hand at it then this is the perfect place for you. This self-paced program teaches the essential ideas of the subject from the very scratch. Play and experiment with short bits of ‘computer code’ to test the possibilities and power of computers. Understand how the hardware, structured data, digital images, internet, and other crucial features work. By the end of the lectures, you will have a solid idea of the basics of this field and will be ready to take on more complex certifications.


Key USPs-

– Get acquainted with the necessary jargon such as bits, bytes, megabytes.

– Understand what is a program and what does it mean to run a  program.

– Lots of exercises for building, visualizing and manipulating codes to solve the challenges of different levels of complexity.

– Take a look at the basics of computer security and the fundamental topics.

– Get recommendations and suggestions about supplementary resources for enhancing the learning experience.

– Complete all the exams and graded assessments that follow the lessons.

– The program is available for free.


Duration: Self-paced

Rating: 4.5 out of 5

You can Sign up Here 



8. Introduction to Computer Science and Programming (MIT Open Courseware)

The problem-solving capability is one of the most sought after skill in today’s industry. So if you want to enhance your problem-solving skills and implement them using coding then this course will help you to achieve that. You will learn to write small programs to accomplish useful goals. With independent study design and all the necessary resources to understand the concepts covered in the lectures, this class is a crowd favorite.


Key USPs –

– Obtain a complete set of lectures by the professor.

– Resources for each lecture video such as slides, handouts and code files.

– Homework problem with sample student solution.

– Self-assessment tools including lecture questions with answers and unit quizzes with solutions to assess your subject mastery.

– The flexible deadlines allow you to learn as per your schedule.


Duration: Self-paced

Rating: 4.5 out of 5

You can Sign up Here



9. Computer Science Certifications and Programs (Udemy)

Computer Science is a vast field and stretches way beyond programming. Keeping that in mind Udemy has compiled a list of certifications and programs that cover the various subtopics of this huge area. The programs are divided into three levels if difficulty namely beginner, intermediate and advanced. The bestsellers on the website include operating systems from scratch, master the theory behind programming, binary: the foundation of all computing, the theory of automata among others. Upon the completion of your chosen certification, you will have the skills to apply on relevant projects.


Key USPs –

– Well structured classes with topics divided into appropriate modules which makes it easy to follow the classes.

– Rigorous training and assignments help the student to understand the core of every concept.

– Learn to write code using different core features.

– Practical projects give you the opportunity to apply the newly acquired knowledge.

– Lectures + Downloadable resources + Articles + Full lifetime access

– Available at an affordable rate.


Duration: Self-paced

Rating: 4.5 out of 5

You can Sign up Here



10. Computer Science & Programming by University of London (Coursera)

In this specialization, you will go over an array of topics ranging from foundational principles to the necessary mathematical foundations. Understand how computers work and how they can be applied to any software or system. Gain the practical skill set required to write interactive, graphical programs at an introductory level. You will also be provided with numerical and computational tools that are essential for the problem solving and modeling stages.


Key USPs-

– Use Javascript language to create interactive programs in the browser the 2D graphics.

– Convert between number bases, work with modular arithmetic sequences and series and plot graphs.

– Develop and use mental models to describe the workings of a range of systems

– High school level mathematics is sufficient to enroll in this specialization but some coding experience can be beneficial as well.


Duration: 2 months, 11 hours per week

Rating: 4.5 out of 5

You can Sign up Here 



11. Computer Science Programs and Degrees (Coursera)

With a plethora of options, this platform gives you abundant options to develop your skills in the various fields of computer science. The pieces of training are divided into three levels of difficulty – beginner, intermediate and advanced. You can take the foundational programs if you have little or no experience in this field or the advanced algorithms, master of computer science, data structures, functional programming, mobile, and web development among others if you are already familiar with the core concepts. Upon the completion of the lessons, you will have the confidence to solve more complex challenges and apply them in industrial as well as academic scenarios.


Key USPs-

– The videos guide you through all the necessary topics beginning from the introductions to the advanced ones as well as the necessary configurations to follow along with the videos.

– The lectures include a detailed explanation of how to get started with the classes and make the most of it.

– The quizzes and assignments that follow the videos help you to measure your progress level.

– Implement the concepts covered in the lectures and improve your resume.


Duration: Self-paced

Rating: 4.5 out of 5

You can Sign up Here 


So that was our take on the best Computer Science courses, certifications, and tutorials online. Hundreds of experts come together to handpick these recommendations based on decades of collective experience.