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.

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Software Design, Programming Principles, Program Development, Software Documentation, Data Structures, Computational Logic, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Linux Administration, Devops Tools, Containerization, DevOps, System Monitoring, Information Technology Operations, System Configuration, Performance Tuning, Configuration Management, Context Management, Network Troubleshooting, Debugging, Proxy Servers, Data Storage, Service Management, Software Installation, Command-Line Interface, Performance Measurement, Resource Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Session Initiation Protocols, Node.JS, File Transfer Protocol (FTP), Debugging, Web Applications, Data Import/Export, File I/O, Frontend Performance, Scalability, Verification And Validation, Full-Stack Web Development, Data Validation, JSON, Real Time Data, Event-Driven Programming, Memory Management, Performance Tuning, Server Side, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Development Environment, Program Development, Computer Programming, Programming Principles, Data Structures, Java, Integrated Development Environments, Maintainability, Code Reusability, Memory Management, Computational Logic, Debugging, Software Installation, Command-Line Interface, Problem Solving
Beginner · Course · 3 - 6 Months

Peking University
Skills you'll gain: Data Structures, Algorithms, C++ (Programming Language), Memory Management, C and C++, Graph Theory, Object Oriented Programming (OOP), File I/O, Object Oriented Design, Computational Thinking, C (Programming Language), Programming Principles, Theoretical Computer Science, Program Development, Computer Programming, Computer Science, Application Development, Systems Development, Data Storage, Computer Architecture
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, AI Integrations, Tool Calling, Large Language Modeling, Software Design Patterns, Memory Management
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Embedded Software, Peripheral Devices, Integrated Development Environments, Embedded Systems, Internet Of Things, Microarchitecture, Automation, Real Time Data, Hardware Architecture, Computer Architecture, Prototyping, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Memory Management, Microarchitecture, Software Development, Hardware Architecture, Debugging, Secure Coding, Build Tools, Application Security, Computer Architecture, System Configuration, Programming Principles, C (Programming Language), Digital Signal Processing, Application Development, C++ (Programming Language)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Memory Management, Debugging, C++ (Programming Language), C and C++, Software Documentation, Development Testing, Code Reusability, Vibe coding, Programming Principles, API Design, Program Development, Pseudocode, Software Architecture, Software Design, Functional Design, Performance Tuning, Application Design, Technical Documentation, Generative AI
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Hardware, System Programming, Data Storage, Memory Management, Computational Logic, Computer Programming, C (Programming Language), Data Storage Technologies, Program Development, C# (Programming Language)
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: File I/O, Memory Management, Maintainability, C (Programming Language), Software Engineering, System Programming, Programming Principles, Software Development, Simulations, Command-Line Interface, Collaborative Software
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, User Interface (UI), Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Memory Management, Responsive Web Design, Prototyping, Animation and Game Design, Human Computer Interaction
Beginner · Specialization · 3 - 6 Months