Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

National Taiwan University
Skills you'll gain: Programming Principles, Computer Programming, C (Programming Language), Data Structures, Computational Logic, Program Development, Memory Management
★ 4.8 (370) · Mixed · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Swift Programming, iOS Development, Apple Xcode, Mobile Development, Objective-C (Programming Language), Object Oriented Programming (OOP), Memory Management, Application Development, Development Environment, Programming Principles, Integrated Development Environments, Image Analysis, Computer Programming, Functional Design
★ 3.9 (1.4K) · Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Java Programming, Java, Computer Programming, Object Oriented Programming (OOP), Test Case, Digital pedagogy, Education Software and Technology, Algorithms, Data Structures
★ 4.8 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computational Thinking, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Memory Management, Performance Tuning
★ 4.4 (33) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Java Programming, Computer Programming, Programming Principles, Computational Logic, Computational Thinking, Education Software and Technology, Digital pedagogy
★ 2.8 (6) · Beginner · Course · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Program Development, Operating Systems, Computer Systems, Debugging, Microsoft Visual Studio, OS Process Management, Hardware Architecture, Computer Hardware, C# (Programming Language), Computer Architecture, Object Oriented Programming (OOP), Programming Principles, Memory Management, Systems Design, Integrated Development Environments, Systems Architecture, Computational Logic, Computer Programming
★ 3.9 (40) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (235) · Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Software Development, Software Engineering, Professional Development, Professionalism, Ethical Standards And Conduct, Teamwork, Computer Programming, Back-End Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Computer Programming, Code Reusability, Software Documentation, Computer Science, Maintainability
★ 4.7 (168) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Objective-C (Programming Language), iOS Development, Apple iOS, Memory Management, Prototyping, Mobile Development, C and C++, Application Development, C (Programming Language), Object Oriented Programming (OOP), Computer Programming, Programming Principles, Data Structures
★ 4.6 (558) · Mixed · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Cloud Development, Amazon Elastic Compute Cloud, Cloud Applications, Cloud Infrastructure, Bioinformatics, Cloud Computing Architecture, Cloud Computing, Algorithms, Development Environment, Amazon Web Services, Model Optimization, Performance Tuning, Program Development, Computer Architecture, Hardware Architecture, Performance Testing, Application Performance Management, Computer Programming, Memory Management
★ 4.4 (26) · Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Programming Principles, Theoretical Computer Science, Other Programming Languages, Computer Programming, Computational Logic, Functional Design, Data Structures, Memory Management, System Implementation, Data Mapping
★ 4.7 (18) · Mixed · Course · 1 - 3 Months