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.

Skills you'll gain: Security Testing, Application Security, Open Web Application Security Project (OWASP), Software Testing, Secure Coding, Test Tools, Regression Testing, Unit Testing, Penetration Testing, Security Controls, Computer Security, Test Driven Development (TDD), Debugging, User Acceptance Testing (UAT), Computer Programming, Python Programming, Node.JS, Information Privacy, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: User Feedback, Usability, Functional Testing, Root Cause Analysis, Product Improvement, Journey Mapping, UI/UX Research, Experience Design, User Experience, Conversion Funnel Analysis, User Interface (UI) Design, Integration Testing, Product Quality (QA/QC), Application Design, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Animation and Game Design, Video Game Development, Data Structures, Computer Graphics, Linear Algebra, Advanced Mathematics, Applied Mathematics, Algorithms
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Video Game Development, Game Design, Design Elements And Principles, User Interface (UI)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Development Tools, Javascript, Context Management, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Swift Programming, Memory Management
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design Patterns, Computer Programming, Algorithms, C (Programming Language), Software Design, Program Development, Graph Theory, Code Reusability, Computational Logic, Artificial Intelligence, Data Structures, Memory Management, File I/O, Simulations
Beginner · Specialization · 3 - 6 Months
University of California, Santa Cruz
Skills you'll gain: Programming Principles, Program Development, Computational Logic, Memory Management
Beginner · Course · 1 - 3 Months

Hebrew University of Jerusalem
Skills you'll gain: Computer Architecture, Hardware Architecture, Computer Hardware, Computer Engineering, Computer Science, Computer Systems, Microarchitecture, Computational Logic, System Programming, System Design and Implementation, Technical Design, Software Design, Memory Management, Program Development
Mixed · Course · 1 - 3 Months
University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), File I/O, Data Structures, Programming Principles, Object Oriented Design, Object Oriented Programming (OOP), Debugging, Computer Programming, Unit Testing, C (Programming Language), Program Development, Computer Science, Software Testing, Algorithms, Code Reusability, Graph Theory, C and C++, Computational Logic, Memory Management, Software Design
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Object Oriented Design, Java Programming, Java, Object Oriented Programming (OOP), Data Persistence, Software Design Patterns, Maintainability, Memory Management, Programming Principles, Code Reusability, Functional Design, Computer Programming, Oracle Databases, File Systems, Computational Logic, API Design, Data Structures, Software Design, File Management, Data Management
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Data Modeling, Python Programming, Object Oriented Programming (OOP), Data Persistence, Context Management, Data Structures, Memory Management
Intermediate · Course · 1 - 3 Months