By Codomo Singapore

15 Free Resources to Learn Computer Science

Do you want to learn computer science? That is no surprise, as computer science has been gaining popularity over the past few years. 

With constantly changing technology and a growing desire to stay ahead of the curve, computer science offers many opportunities for individuals who want to work with cutting-edge tools and create something from nothing. 

Whether you're looking to break into coding, become a software engineer or tech entrepreneur, computer science gives you an advantage for success by teaching problem-solving skills essential for development. 

With that in mind, we have compiled some free resources you can use to get started on your computer sciences journey today. 

Whether you’re looking for interactive tutorials or inspirational stories from fellow coders, this list will put you on your way to becoming a proficient programmer. So let's get right into it!

Free Resources to Learn Computer Science

Are you looking for ways to learn computer science on your own and for free? Fortunately, many cost-free resources are available today, which can help all levels gain knowledge in essential computer science principles from the comfort of their own home. Here are some of them. 

1. Open Source Society University (OSSU)

Open Source Society University, or OSSU, is a great resource for anyone looking to learn computer science without spending money. 

The non-profit organization offers hundreds of online courses covering the full range of computer science topics. The accompanying quizzes, practice problems, and project assignments are free. 

Plus, they guide your learning path so you can learn at your own pace. What makes OSSU stand out even more, is that it allows students to connect with like-minded people all around the globe who are also passionate about learning. 

The community spans many countries and all levels of experience. 

No matter where you’re starting from or what type of computer science knowledge you have already gained, there will be someone there who can help push you along and answer any questions that arise as you continue your journey.

2. Teach Yourself Computer Science

Teach Yourself Computer Science is a fantastic free resource for anyone interested to learn Computer Science. 

It hosts nine topics with hundred hours of video lectures by experienced CS professionals, covering various topics such as compilers, programming languages and web development. 

Not only will users learn the fundamentals of computing, but they will also gain insight into the various applications and challenges that are necessary for designing and programming computer systems. 

With Teach Yourself Computer Science, you can access an abundance of fascinating information at your fingertips – all free! 

The materials available on this website are perfect for anyone looking to expand their knowledge and explore the vast field of Computer Science.

3. Functional Computer Science

For those interested in furthering their knowledge of computer science, Functional Computer Science is a valuable and free resource to explore. 

With this platform, users can access modern programming languages and a library of exercises for students to practice and gain proficiency in coding concepts. 

Furthermore, tutorials are available for anyone interested in learning the fundamentals and going beyond the basics. Completing these tutorials with an introduction to data types, algorithms and computing architecture ensures fundamental computer science knowledge. 

If you are looking for an interesting and interactive way to learn more about coding principles, then Functional Computer Science is certainly a reliable option that should be considered.

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4. P1XT Guide

P1XT Guide is an incredibly versatile free resource for anyone wanting to learn computer science, theoretically and through programming development. 

This free online guide provides an array of tutorials and other resources to teach readers the basics of coding, web development, and system administration. 

Those new to computers can find guidance in tutorials that cover topics such as SSH, HTML, and basic commands for Windows, Mac OS X and Linux users. 

For more advanced users, there is a series of guides that take readers through everything from obtaining a job in IT to developing full-stack applications. Furthermore, P1XT Guide is constantly updating its resources so learners can stay on top of the latest cutting-edge technologies in the rapidly advancing world of computer science.

Whether you're new to computer science or a professional developer, P1XT Guide provides something for everyone looking to broaden their knowledge base in the ever-evolving world of coding!

5. The Open Source Computer Science Degree

Learning computer science can be daunting, especially if you're doing it on your own.

Thankfully, The Open Source Computer Science Degree offers free courses that provide step-by-step instructions to learners as they explore programming, web development, and other areas in computer science. 

The source is made by a Youtuber and is inspired by OSSU. Although less comprehensive than USSU, The Open Source Computer Science Degree covers a pretty decent amount of topics if you want to learn computer science.

Each course includes easy-to-follow video lessons and detailed documentation that ensure everyone from beginners to advanced levels of learning has the resources necessary for success. 

With options for self-paced study or interactive coding challenges, this is an excellent resource for anyone looking to expand their technical skillset without breaking the bank.

6. Harvard’s CS50 Class

Many of us want to learn new skills, but the rising costs of college tuition can seem like an inaccessible dream. Luckily, Harvard's Computer Science 50 Class is free and available online for any passionate learner. 

This introductory computer science course covers topics like algorithms and cryptography as well as programming languages like C, Python, SQL and more. It's a great way to learn from expert instructors from the comfort of home at no cost. 

Students will benefit from this valuable learning opportunity, and it's also a great way to get a sense of how college courses are conducted and what studying computer science entails. 

If you're looking for a reliable and free way to get into the field of computer science, CS50 is the perfect stepping stone!

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7. TutorialsPoint

TutorialsPoint is an amazing free resource for anyone looking to learn about computer science. It contains tutorials, notes and references covering virtually all aspects of the field, from HTML and CSS to Java, Python and more. 

TutorialsPoint is the perfect tool for getting started in the field of computer science as well as brushing up on specific topics. It’s like having a reference book or dictionary at your fingertips when you need it most. 

Additionally, TutorialsPoint even provides various tools that can help with programming challenges. 

With this amazing free resource at your disposal, there’s no excuse not to start learning computer science today!

8. FreeCodeCamp

Computer Science can be intimidating due to the complexity of its concepts. Yet, there are free resources like FreeCodeCamp available that make it easier for individuals to get their feet wet in the field. 

FreeCodeCamp offers a comprehensive program curriculum that covers coding challenges and projects, algorithms and data structures, front-end development and more. 

With careful studying and practice, users can gain the technical skills needed to pursue a tech career or become better developers. 

Moreover, they will gain hands-on experience building with HTML5, CSS3, Git, Bootstrap and JavaScript. Personal initiative is needed to take advantage of this amazing free resource to learn Computer Science.

9. MIT OpenCourseWare

MIT OpenCourseWare provides an invaluable resource for those wanting to learn more about computer science. This platform offers intermediate-level and advanced math lectures related to computer science, all for free! 

Lectures include topics such as multivariable calculus, introduction to probability and statistics, linear algebra, and more. Not only are these courses free, but they are also sourced from one of the world’s top engineering schools. 

No wonder this open courseware is highly recommended; it has educational advantages that rival even the best universities around the globe. 

These valuable lessons provide great insight into how computer science works and develop key analytical skills that could be useful throughout a career in engineering or programming.


10. GeeksforGeeks

GeeksforGeeks is an incredible free resource for anyone looking to learn more about computer science and related fields.

 With high-quality articles, tutorials, and practice problems, the website provides a comprehensive introduction to those seeking knowledge in coding, algorithms and data structures. 

Additionally, GeeksforGeeks offers helpful solutions to various programming challenges. 

For those just getting started with their journey in web development or software engineering, GeeksforGeeks provides a fantastic starting point. 

Whether you are a budding developer or an experienced software engineer, this free online resource can provide invaluable assistance in honing your skillset.

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11. Coursera

Coursera is an amazing resource for anyone looking to learn computer science. It offers a vast range of courses from highly renowned universities and organizations, allowing students to learn from experts in the field. 

Not only does Coursera offer interactive curriculums and useful projects, but its learning materials are also freely available for all users. Coursera's wide selection of courses is suitable for novice coders and those already competent in the subject. 

Whether you want to create a website or gain insights into the theory behind programming, there's something here for you! 

With no registration fee and accessible lessons, it's easy to take advantage of this free resource and start your journey towards becoming a computer scientist today.

12. Udemy

Udemy is a great free resource to get you started if you're looking to learn more about computer science. Offering thousands of online courses from experienced professionals and globally recognized organizations, Udemy ensures a high-quality learning experience. 

All courses are self-paced and offered in an intuitive interface for easy navigation. 

Not only can learners access recordings of lectures and demonstrations, but they also have the option to participate in discussion boards, ask questions, and even take tests for validation of their knowledge. 

So if you're ready to develop your coding skills and brush up on your computer science knowledge, Udemy has lots of informative resources waiting for you!

12. Amazon Future Engineer

Amazon Future Engineer provides an incredible free resource for anyone looking to learn computer science. This online program teaches kids how to code, create apps and games, and understand computer basics. 

They offer a wide range of courses, including robotics and video game development. By introducing these technologies at an early age, Amazon Future Engineer ensures all students can benefit from the educational opportunities offered by computers. 

Not only does this program provide resources for learning computer science, but it also provides students with scholarships and internship opportunities so they can kick-start their careers in tech.

 So take advantage of this amazing opportunity provided by Amazon Future Engineer and start your journey towards becoming a computer guru today!

13. Codecademy

Codecademy is an incredible resource for anyone interested in becoming a computer scientist. It provides free, interactive, engaging, and engaging tutorials tailored to individual user levels.

The courses have been designed by seasoned professionals in the field, giving learners an accurate and up-to-date introduction to important web development topics like HTML/CSS, Python, JavaScript and more. 

Beginners can learn basic coding skills at their own pace, while experienced coders can brush up on their knowledge or try something new. Not only does Codecademy help people gain valuable knowledge, but it also makes learning fun through projects and activities. 

Learning coding can open many doors for young people, and Codecademy allows them to get started for free.


If you're interested in learning more about computer science but have yet to find a way to get started, is the perfect free resource for you. This website provides interactive, easy-to-follow lessons for coding beginners. 

It's accessible to all ages, too; whether you're a student, a working professional looking to pick up new skills, or even an experienced programmer wanting to brush up on their coding knowledge, there's something here for you. 

The site even encourages industry professionals to teach the courses and offer direct guidance through the material, giving users reliable insight from those with expertise in the field. 

With helpful tutorials in Scratch and HTML/CSS, it's always been challenging to understand computer science basics better.

15. Khan Academy

Khan Academy is an invaluable resource for people who want to learn computer science - and the best part is it's free! 

This educational platform can provide learners with a great intro to coding through interactive tutorials, including lessons on various programming languages and platforms. 

Even experienced coders can benefit from Khan Academy, as it offers refresher courses and guidance about new tools. 

Recent updates have included lessons on HTML and CSS to help build webpages, game programming topics such as PhaserJS, and features like Undo/Redo and Autoplay. 

So whether you're just starting or seeking more advanced knowledge, Khan Academy has something for everyone wanting to learn about computer science.


Deciding to learn computer science is definitely worth your time. With a basic understanding of computer science, you can make better decisions about the technology you use and build things that make your life easier. 

Even if you have not decided to become a professional programmer, learning CS will give you superpowers when working with computers. The world is only getting more digital, so there is always time to start learning!

With these 15 free resources, you can learn at your own pace from the comfort of your home. And one day, you'll be the one teaching others! So what are you waiting for? Start learning today!



  • This is fantastic. I appreciate you taking the time to put this information together.
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    Muskan on

  • Very interested program and I like it so much thank you for being with this heart of empowering people

    Ayella Charles on

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