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.

Illinois Tech
Skills you'll gain: Test Driven Development (TDD), Python Programming, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Code Reusability, Test Script Development, Computer Programming, Unit Testing, File I/O, Development Testing, Web Development, Scripting, Program Development, Other Programming Languages, Database Software, Open Source Technology, Database Management, Database Development, Data Processing
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Embedded Software, Embedded Systems, Debugging, C (Programming Language), C and C++, Electronic Components, Computer Hardware, Integrated Development Environments, Programming Principles, Computer Programming, Electronics Engineering, Program Development, Software Installation, Development Environment, Digital Communications, Build Tools
★ 4.7 (7.2K) · Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Bioinformatics, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Web Scraping, Software Testing, Problem Solving
★ 4.6 (8.1K) · Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Animation and Game Design, Computational Thinking, Animations, Computational Logic, Programming Principles, Computer Programming, Storytelling, Game Design, Solution Design, Program Development, Event-Driven Programming, Coordination, Computer Programming Tools
★ 4.4 (116) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Programming Principles, Algorithms, C (Programming Language), Computer Programming, Program Development, Problem Solving, Solution Design, Computational Logic
★ 4.7 (7K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: C (Programming Language), Programming Principles, C and C++, C++ (Programming Language), Algorithms, Memory Management, Data Structures, Other Programming Languages, Numerical Analysis
★ 4.5 (97) · Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Software Installation, Programming Principles, Other Programming Languages, Functional Design, Computer Programming, Ruby (Programming Language), Theoretical Computer Science, Object Oriented Programming (OOP), Code Reusability, Development Environment
★ 4.9 (1.9K) · Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, File I/O, Application Development, Data Access, Systems Development, Computer Programming, User Interface (UI), Application Design, UI Components, Program Development, Programming Principles, Database Application, Database Management, Databases, System Design and Implementation, Event-Driven Programming, Integrated Development Environments
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Programming Principles, Debugging, Computer Programming, Application Design, Cloud Applications, Computer Science, Code Reusability, Maintainability, Computer Systems, Program Development, Computer Programming Tools, Object Oriented Programming (OOP), Software Development, Data Management, Functional Design, Package and Software Management
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Data Analysis, Programming Principles, Artificial Intelligence, Computer Programming, Game Design
★ 4.5 (2.2K) · Beginner · Guided Project · Less Than 2 Hours

The University of Edinburgh
Skills you'll gain: Video Game Development, Game Design, Software Engineering, Programming Principles, Software Development, Event-Driven Programming, Computer Programming, Code Reusability, Computational Thinking, Algorithms
★ 4.7 (3.9K) · Beginner · Course · 1 - 3 Months

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