Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Memory Management, Computer Programming, Code Reusability, Programming Principles, Algorithms, Data Structures, Data Manipulation
★ 4.4 (59) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Version Control, Microsoft Copilot, C# (Programming Language), Git (Version Control System), Microsoft Visual Studio, .NET Framework, Software Versioning, Computer Programming Tools, Program Development, Integrated Development Environments, Application Development, Computer Programming, Microsoft Development Tools, Development Environment, UI Components, User Interface (UI), Programming Principles, Event-Driven Programming, Computational Logic
★ 5 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Memory Management, C and C++, Computational Thinking, Data Access
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Computational Thinking, Code Reusability, Application Development, Python Programming, Computer Programming, Development Environment, Computational Logic, Integrated Development Environments, Computer Programming Tools, System Software, Software Installation, Functional Design
★ 3.6 (14) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Program Development, Data Validation, Object Oriented Programming (OOP), Build Tools, Programming Principles, Object Oriented Design, Algorithms, Software Testing, Enterprise Modeling, Unit Testing, Data Structures, Data Modeling
★ 4.6 (178) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Code Reusability, Program Development, Debugging, Computational Thinking, Git (Version Control System), Diagram Design, Computer Programming, Algorithms, Web Development, Computational Logic, C# (Programming Language)
★ 4.7 (224) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Video Game Development, Animations, Event-Driven Programming, Animation and Game Design, Cinematography, Game Design, Storyboarding, 3D Assets, Programming Principles, Computer Graphics, Code Reusability, Computer Programming, Computational Logic
★ 4.2 (44) · Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), z/OS, Mainframe Computing, IBM DB2, Debugging, Mainframe Technologies, Middleware, Job Control Language (JCL), Software Development, Performance Tuning, Development Testing, Maintainability, Microsoft Visual Studio, IBM WebSphere MQ, Development Environment, Program Development, Programming Principles, Computer Programming, Code Reusability, Data Modeling
★ 4.6 (192) · Intermediate · Course · 3 - 6 Months

University of California San Diego
Skills you'll gain: Predictive Modeling, Data Manipulation, Predictive Analytics, Big Data, Data Mining, Data Analysis, Data Science, Data-Driven Decision-Making, Unsupervised Learning, Analytics, Data Analysis Software, Model Evaluation, No-Code Development, Software Installation
★ 4.3 (217) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Data Structures, Programming Principles, Python Programming, Computer Programming, Web Development Tools, Software Engineering, Web Development
★ 4.5 (44) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Code Reusability, Algorithms, Microsoft Visual Studio, Problem Solving, Computer Programming Tools, Computational Logic, Python Programming, Software Development, Data Analysis, Scripting Languages
★ 4 (77) · Beginner · Course · 1 - 4 Weeks

Heriot-Watt University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Computer Programming, Application Development, Program Development, Programming Principles, Computational Logic, Software Development, Mathematical Software, Software Development Life Cycle, Debugging, Maintainability
★ 5 (6) · Beginner · Course · 1 - 4 Weeks