Computer Science
Computer Science, often referred to as “CS,” is a broad term that covers many sub-disciplines, including the worlds of software and hardware. It can be found in every piece of technology you use, from a smartphone or gaming console to a car or ATM. With so many applications for Computer Science, there’s a space for everyone!New to Computer Science? Start here
All courses in Computer Science
Free + Paid courses
All levels
72 courses
- Skill path
Pass the Technical Interview with JavaScript
Learn important fundamental data structures and algorithms, and build each one in JavaScript.Includes 8 CoursesWith CertificateIntermediate36 Lessons - Skill path
Pass the Technical Interview with Java
Learn important fundamental data structures and algorithms, and build each one in Java.Includes 8 CoursesWith CertificateIntermediate36 Lessons - Skill path
Pass the Technical Interview with Python
Learn important fundamental data structures and algorithms, and build each one in Python.Includes 8 CoursesWith CertificateIntermediate43 Lessons - CourseLearn Python 3Learn the basics of Python 3, one of the most powerful, versatile, and in-demand programming languages today.With CertificateBeginner Friendly14 Lessons
- Free CourseLearn JavaLearn to code in Java — a robust programming language used to create software, web and mobile apps, and more.Beginner Friendly16 Lessons
- Free CourseLearn Python 2Learn the basics of the world's fastest growing and most popular programming language used by software engineers, analysts, data scientists, and machine learning engineers alike.Beginner Friendly20 Lessons
- Free CourseLearn C++Learn C++ — a versatile programming language that’s important for developing software, games, databases, and more.Beginner Friendly13 Lessons
- CourseLearn C#Learn Microsoft's popular C# programming language, used to make websites, mobile apps, video games, VR, and more.With CertificateBeginner Friendly20 Lessons
- Free CourseLearn CLearn the basics of the C programming language in this beginner friendly course.Beginner Friendly10 Lessons
- CourseLearn the Command LineDiscover the power of this simple yet essential text-based tool and increase your productivity as a developer.With CertificateBeginner Friendly4 Lessons
- CourseLearn Git & GitHubUse our beginner friendly Git course to integrate Git and GitHub and manage versions of your projects using Git branches.With CertificateBeginner Friendly5 Lessons
- Free CoursePython for ProgrammersA quick primer on Python fundamentals for programmers.Intermediate0 Lessons
- CourseLearn Intermediate Python 3Learn Intermediate Python 3 and practice leveraging Python’s unique features to build powerful, sophisticated applications.With CertificateIntermediate11 Lessons
- Free CourseIntroduction to Game DevelopmentExplore video game development, including game design, gameplay development, and asset creation.Beginner Friendly4 Lessons
- Free CourseLearn Intermediate JavaDive deeper into Java — one of the world’s most popular programming languages.Intermediate8 Lessons
- Free CourseLearn C#: IntroductionDive into C#, a scalable programming language that is easy to read and maintain.Beginner Friendly6 Lessons
- Free CourseIntroduction to Blockchain and CryptoLearn about the concepts behind Blockchain and Crypto!Beginner Friendly1 Lesson
- Free CourseChoosing a Programming LanguageThis course will introduce learners to factors to consider when picking a first language as well as describe some popular options.Beginner Friendly0 Lessons
- Free CourseIntroduction to ITTake your first steps into the world of IT, or Information Technology! Introduction to IT will teach you about core IT subjects.Beginner Friendly6 Lessons
- Free CourseLearn MongoDBLearn a new way to work with databases using MongoDB!Beginner Friendly5 Lessons
- Free CourseLearn the Basics of Regular ExpressionsGet a taste of regular expressions (regex), a powerful search pattern language to quickly find the text you're looking for.Beginner Friendly1 Lesson
- Free CourseChoosing a Career in TechAre you feeling confused about where to aim for with your career goals? Take this course to learn about different career options!Beginner Friendly0 Lessons
- CourseIntroduction to LinuxIn this introductory course, we'll be getting familiar with Linux and how to navigate within a Linux environment!With CertificateIntermediate7 Lessons
- Free CourseDiscrete MathLearn about discrete math, the math of computer science!Intermediate8 Lessons
- Free CourseLearn C++: IntroductionDive into C++, a flexible and well-supported language that's still widely used now, over 40 years after its conception.Beginner Friendly5 Lessons
- Free CourseLearn C: IntroductionLearn about the basics of the C programming language, and write your first C program!Beginner Friendly1 Lesson
- CourseComputer ArchitectureLearn about the rules, organization of components, and processes that allow computers to process instructions.With CertificateIntermediate8 Lessons
- Free CourseMachine Learning: Artificial Intelligence Decision Making with MinimaxTeach computers how to make decisions and play games with the Minimax Algorithm!Advanced2 Lessons
- Free CourseJava for ProgrammersTake this course meant for experienced programmers and learn Java, one of the world's most popular languages.Intermediate0 Lessons
- CourseLearn the Basics of Blockchain with PythonLearn beginner blockchain concepts and create your own mini blockchain using Python 3 code.With CertificateBeginner Friendly3 Lessons
- CourseLearn Advanced Python 3Learn advanced topics in Python 3 and improve your developer skills.With CertificateAdvanced5 Lessons
- Free CourseLearn C: Pointers and MemoryLearn about pointers and memory in C.Beginner Friendly1 Lesson
- Free CourseIntroduction to Personal Digital SecurityHackers and cyber threats are a fact of today's modern, digital world. Everyone needs to be able to protect themselves from these threats.Beginner Friendly3 Lessons
- Free CourseRust for ProgrammersA quick primer on Rust fundamentals for experienced programmers.Intermediate0 Lessons
- Free CourseLearn Raspberry PiLearn Raspberry Pi, the world-famous credit card sized computerBeginner Friendly4 Lessons
- Free CourseLearn Git: IntroductionLearn about the basics of Git, an open-source version control system.Beginner Friendly2 Lessons
- Free CourseLearn C#: Arrays and LoopsLearn how to organize data and automate repetitive tasks with arrays and loops.Beginner Friendly2 Lessons
- Free CourseLearn C#: Classes, Objects, Interfaces, and InheritanceLearn about object-oriented programming in C#.Beginner Friendly4 Lessons
- Free CourseLearn C: Conditionals and LoopsLearn about conditionals and loops in C.Beginner Friendly2 Lessons
- Free CourseLearn C++: LoopsLearn how to automate repetitive tasks with loops.Beginner Friendly2 Lessons
- CourseLearn Recursion with PythonRecursion gives you a new perspective on problem-solving by defining a problem in terms of itself.With CertificateIntermediate3 Lessons
- Free CourseLearn Object Oriented Programming with Python & Project-Based LearningThis course utilizes Project-Based Learning (PBL) to teach learners how to create Classes and Objects in Python.Beginner Friendly0 Lessons
- Free CourseLearn C#: MethodsLearn to call and create methods: a fundamental building block in C# development.Beginner Friendly3 Lessons
- Free CourseLearn C: Arrays and StringsLearn about arrays and strings in C.Beginner Friendly2 Lessons
- Free CourseLearn C: Functions and StructuresLearn about functions and structures in C.Beginner Friendly2 Lessons
- CourseTechnical Interview Practice with PythonHone your coding skills by practicing with industry standard technical interview problems!With CertificateIntermediate4 Lessons
- Free CourseLearn C++: Classes and ObjectsUse C++ classes and objects to build more scalable, modular programs.Beginner Friendly1 Lesson
- Free CourseLearn C++: FunctionsUse C++ functions to write more flexible, modular, reusable code.Beginner Friendly3 Lessons
- Free CourseLearn C++: VectorsLearn how to use C++ vectors, a great way to keep your data organized.Beginner Friendly1 Lesson
- Free CourseLearn C#: Lists and LINQWork with data in C# using lists and LINQ queries.Beginner Friendly2 Lessons
- Free CourseLearn C: Variables and OperatorsLearn about variables and operators in C.Beginner Friendly2 Lessons
- Free CourseFundamentals of Operating SystemsLearn about operating systems by taking a deep dive into each of its main functionalities.Beginner Friendly8 Lessons
- Free CourseLearn C++: References and PointersReferences and pointers are some of the most powerful features in C++; they allow programmers to directly manipulate memory.Beginner Friendly1 Lesson
- CourseLearn Advanced JavaLearn advanced topics in Java and improve your developer skills!With CertificateAdvanced3 Lessons
- Free CourseLearn Emojicode🍇 Learn about Emojicode, a programming language that consists of emojis! 🍉Beginner Friendly3 Lessons
- Free CourseIntroduction to Open SourceLearn how to contribute to, create, and maintain open source projects!Beginner Friendly1 Lesson
- Free CourseLearn GitHub: IntroductionLearn how to use GitHub, a service that allows you to host and share your code.Beginner Friendly1 Lesson
- Free CourseLearn GitHub: Best PracticesLearn how to maintain clean code and work with the GitHub community.Beginner Friendly0 Lessons
- Free CourseOperating Systems: ProcessesLearn about processes, threads, and process scheduling.Beginner Friendly2 Lessons
- Free CourseOperating Systems: IO SystemsLearn about IO Hardware and Software and how they interact with your Operating System.Beginner Friendly2 Lessons
- Free CourseLearn LOLCODELearn about LOLCODE, an esoteric programming language based on internet memes and cats!Intermediate3 Lessons
- Free CourseLearn Git: Branching and CollaborationLearn how to use Git's branching features to collaborate with others.Beginner Friendly2 Lessons
- Free CourseDeploying Websites using Git and GitHubUse GitHub Pages to easily publish your own websites.Beginner Friendly0 Lessons
- CourseHow to Implement Search Algorithms with PythonFinding the data you are looking for in a data set is an important skill: get started with two common approaches.With CertificateIntermediate4 Lessons
- CourseLearn Sorting Algorithms with PythonLearn about the usefulness and efficiency of computational sorting by implementing different sorting algorithms yourself.With CertificateIntermediate8 Lessons
- Free CourseOperating Systems: Process Synchronization and Memory ManagementLearn about Operating Systems and how to synchronize processes and handle memory management.Beginner Friendly2 Lessons
- Free CourseOperating Systems: IntroductionLearn about the basics of Operating Systems.Beginner Friendly1 Lesson
- CourseLearn Advanced Algorithms and Data Structures with PythonLearn advanced algorithms and data structures to improve your developer skills!With CertificateAdvanced8 Lessons
- Free CourseOperating Systems: FilesystemsLearn about filesystems and how they interact with Operating Systems.Beginner Friendly1 Lesson
- CourseLearn Complex Data StructuresDiscover and design new data structures that follow abstract rule-based systems by building out graphs, hash-maps, and heaps.With CertificateIntermediate8 Lessons
- CourseLearn Hardware Programming with CircuitPythonThe perfect introduction to electronics and programming. ⚡️With CertificateBeginner Friendly2 Lessons
- Free CourseLearn C#: ReferencesUnlock the power of references, an essential aspect of object-oriented programming in C#.Beginner Friendly3 Lessons
