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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Computer Programming, Memory Management
★ 4.7 (319) · Intermediate · Course · 1 - 3 Months

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

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic systems, Agentic Workflows, Generative AI, Email Automation, Prompt Engineering, AI Workflows, ChatGPT, AI Personalization, Expense Management, Expense Reports, AI Orchestration, AI literacy, Workflow Management, Tool Calling, Google Sheets, AI Integrations, Memory Management
★ 4.6 (136) · Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Systems Architecture, Hardware Architecture, Microarchitecture, Data Structures, Peripheral Devices, Memory Management, Computational Logic
★ 4.1 (135) · Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Model View Controller, Apple Xcode, Mobile Development, User Interface (UI), Application Design, Application Development, Objective-C (Programming Language), UI Components, Animations, Human Computer Interaction, Interactive Design, Object Oriented Programming (OOP), Memory Management, Application Frameworks, Interaction Design, Mobile Development Tools, Persistence
★ 3.9 (1.6K) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Memory Management, Performance Tuning, System Programming, Hardware Architecture, Program Development, Computer Architecture, Performance Testing, Computer Hardware, Algorithms
★ 2.8 (66) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Virtual Machines, Package and Software Management, Memory Management
★ 4.7 (534) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud Deployment, IT Automation, Application Lifecycle Management, Software Installation, Dashboard Creation, Network Routing, Memory Management
★ 4.2 (68) · Intermediate · Specialization · 1 - 3 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
★ 4.5 (31) · Beginner · Professional Certificate · 3 - 6 Months

Vanderbilt University
Skills you'll gain: AI Orchestration, Agentic Workflows, OpenAI API, Generative AI Agents, LLM Application, Prompt Patterns, AI Workflows, Prompt Engineering, Agentic systems, AI Security, Business Logic, Application Programming Interface (API), File I/O, Transaction Processing, Persona Development, Memory Management
★ 4.7 (130) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Android Development, Android Studio, Mobile Development, Memory Management, Android (Operating System), Programming Principles, Integrated Development Environments, Development Environment
★ 4.7 (1.5K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Microarchitecture, Computer Architecture, IT Infrastructure, Data Storage Technologies, System Configuration, Data Storage, Memory Management
★ 4.5 (71) · Beginner · Course · 1 - 3 Months