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    Free courses can help you learn new skills, explore topics of interest, and take the first step toward your personal or professional goals—without financial commitment.
    1112 free courses

    7815 courses with a free trial

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    • Status: Free Trial
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      I

      IBM

      Python for Data Science, AI & Development

      4.6
      Rating, 4.6 out of 5 stars
      ·
      41K reviews

      Course

    • Status: Free
      Free
      P

      Princeton University

      Computer Science: Programming with a Purpose

      4.7
      Rating, 4.7 out of 5 stars
      ·
      1.3K reviews

      Course

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      G

      Google

      Foundations of Cybersecurity

      Build toward a degree

      4.9
      Rating, 4.9 out of 5 stars
      ·
      34K reviews

      Course

    • Status: Free
      Free
      P

      Princeton University

      Algorithms, Part I

      4.9
      Rating, 4.9 out of 5 stars
      ·
      12K reviews

      Course

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      Google

      Google Cybersecurity

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      4.8
      Rating, 4.8 out of 5 stars
      ·
      52K reviews

      Professional Certificate

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      Free Trial
      Status: New AI skills
      New AI skills
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      Google

      Google Project Management:

      Build toward a degree

      4.8
      Rating, 4.8 out of 5 stars
      ·
      129K reviews

      Professional Certificate

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      Free Trial
      Status: New AI skills
      New AI skills
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      Google

      Google Data Analytics

      Build toward a degree

      4.8
      Rating, 4.8 out of 5 stars
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      169K reviews

      Professional Certificate

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      Free Trial
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      Meta

      Meta Front-End Developer

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      4.7
      Rating, 4.7 out of 5 stars
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      22K reviews

      Professional Certificate

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    Find the Best Free Course for Your Goals

    • Status: Free Trial
      Free Trial
      U

      University of California San Diego

      Learn to Teach Java: ArrayLists and 2D Arrays

      Skills you'll gain: Java, Computer Programming, Object Oriented Programming (OOP), Test Case, Pseudocode, Debugging, Algorithms, Program Development, Data Structures, Integrated Development Environments

      Beginner · Course · 1 - 3 Months

    • Status: Free
      Free
      P

      Princeton University

      Алгоритмы, часть I

      Skills you'll gain: Data Structures, Algorithms, Programming Principles, Theoretical Computer Science, Java, Computer Programming, Computational Thinking, Graph Theory, Object Oriented Programming (OOP), Performance Testing

      4.8
      Rating, 4.8 out of 5 stars
      ·
      81 reviews

      Intermediate · Course · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of California San Diego

      Learn to Teach Java: Writing Classes and Arrays

      Skills you'll gain: Java, Object Oriented Programming (OOP), Software Design, Computer Programming, Program Development, Debugging, Integrated Development Environments, Data Structures, Algorithms

      4.8
      Rating, 4.8 out of 5 stars
      ·
      14 reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of California San Diego

      Learn to Teach Java: Boolean Expressions, If Statements, and Iteration

      Skills you'll gain: Debugging, Java, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Integrated Development Environments, Algorithms

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of California San Diego

      Introduction to Discrete Mathematics for Computer Science

      Skills you'll gain: Graph Theory, Logical Reasoning, Combinatorics, Computational Logic, Deductive Reasoning, Cryptography, Probability, Key Management, Computational Thinking, Encryption, Network Analysis, Public Key Cryptography Standards (PKCS), Algorithms, Theoretical Computer Science, Python Programming, Data Structures, Cybersecurity, Arithmetic, Computer Programming, Mathematical Modeling

      4.5
      Rating, 4.5 out of 5 stars
      ·
      3.6K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of Illinois Urbana-Champaign

      Accelerated Computer Science Fundamentals

      Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Engineering Software, Computer Programming, Software Engineering, Algorithms, Debugging, Program Development, Database Systems, Database Theory, Network Routing, Theoretical Computer Science, Data Storage

      4.7
      Rating, 4.7 out of 5 stars
      ·
      3.5K reviews

      Intermediate · Specialization · 1 - 3 Months

    • I

      Institut Mines-Télécom

      Traitement d'images : segmentation et caractérisation

      Skills you'll gain: Image Analysis, Computer Vision, Data Processing, Computer Programming, Unsupervised Learning, Medical Imaging, Histogram, Algorithms

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      C

      Codio

      Programming in C++: A Hands-on Introduction

      Skills you'll gain: Data Import/Export, C++ (Programming Language), Object Oriented Programming (OOP), Data Validation, Object Oriented Design, Programming Principles, Computer Programming, Data Structures, File Management, Integrated Development Environments, Software Documentation, Computer Science, Pseudocode, Maintainability, Data Storage

      4.6
      Rating, 4.6 out of 5 stars
      ·
      1.3K reviews

      Beginner · Specialization · 3 - 6 Months

    • I

      Institut Mines-Télécom

      Traitement d'images : introduction au filtrage

      Skills you'll gain: Image Analysis, Computer Vision, Computer Graphics, Python Programming, Computer Programming, Medical Imaging, Mathematical Theory & Analysis, Plot (Graphics), Applied Mathematics, Probability & Statistics

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      D

      Duke University

      Introductory C Programming

      Skills you'll gain: Debugging, Maintainability, Programming Principles, Algorithms, Software Testing, Program Development, C (Programming Language), Pseudocode, Computational Thinking, Software Engineering, Simulations, System Programming, Data Structures, Software Development, Computer Programming, Command-Line Interface, Operating Systems, Development Environment, User Interface (UI), Data Import/Export

      4.6
      Rating, 4.6 out of 5 stars
      ·
      7.3K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado Boulder

      Excel/VBA for Creative Problem Solving, Part 1

      Skills you'll gain: Excel Macros, Programming Principles, Visual Basic (Programming Language), Data Structures, Program Development, Computer Programming, Spreadsheet Software, Automation, Algorithms, Debugging, Data Management, Data Cleansing

      4.8
      Rating, 4.8 out of 5 stars
      ·
      4.3K reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado System

      C# Programming for Unity Game Development

      Skills you'll gain: Unity Engine, Debugging, Object Oriented Programming (OOP), Video Game Development, C# (Programming Language), Game Design, Software Design Patterns, Computer Programming, Event-Driven Programming, Data Structures, Integrated Development Environments, Data Storage, Application Development, Software Design, Program Development, UI Components, Cross Platform Development, Scripting, Data Import/Export, Development Environment

      4.6
      Rating, 4.6 out of 5 stars
      ·
      2.7K reviews

      Beginner · Specialization · 3 - 6 Months

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    In summary, here are 10 of our most popular free courses

    • Learn to Teach Java: ArrayLists and 2D Arrays: University of California San Diego
    • Алгоритмы, часть I: Princeton University
    • Learn to Teach Java: Writing Classes and Arrays: University of California San Diego
    • Learn to Teach Java: Boolean Expressions, If Statements, and Iteration: University of California San Diego
    • Introduction to Discrete Mathematics for Computer Science: University of California San Diego
    • Accelerated Computer Science Fundamentals: University of Illinois Urbana-Champaign
    • Traitement d'images : segmentation et caractérisation: Institut Mines-Télécom
    • Programming in C++: A Hands-on Introduction: Codio
    • Traitement d'images : introduction au filtrage: Institut Mines-Télécom
    • Introductory C Programming: Duke University

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