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.

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Bash (Scripting Language), Distributed Computing, Scalability, Memory Management, Shell Script, Computer Systems, File I/O, Big Data, Linux Commands, Cloud Development, C and C++, Computer Programming Tools, Linux, Computing Platforms, Data Import/Export, C++ (Programming Language), Communication Systems, C (Programming Language)
★ 3.8 (183) · Advanced · Specialization · 3 - 6 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

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, C++ (Programming Language), Data Structures, Computer Programming, Memory Management, Code Reusability, Program Development
★ 4.8 (460) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Tuning, Data Structures, Java Programming, Java, Performance Testing, Application Performance Management, Database Management, Database Architecture and Administration, Memory Management, Maintainability, Object Oriented Design, Databases, AI Integrations, Software Testing, Microservices, Algorithms, Application Frameworks, Scalability, SQL, Javascript
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Memory Management, Development Environment, Programming Principles, Computer Programming Tools, Computer Programming, Integrated Development Environments, Data Structures, Software Installation
★ 4.6 (181) · Beginner · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Restful API, API Design, Application Programming Interface (API), Cloud API, Google Cloud Platform, Application Lifecycle Management, Proxy Servers, Software Documentation, Application Development, Enterprise Architecture, Development Environment, Application Deployment, Authorization (Computing), Authentications, Debugging
★ 4.7 (2.4K) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Programming Principles, Software Installation, Code Reusability, Python Programming, Computer Programming, Program Development, Computational Thinking, Computational Logic, Memory Management, System Configuration
★ 4.8 (289) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Embedded Software, C (Programming Language), Embedded Systems, Debugging, Peripheral Devices, Memory Management, Integrated Development Environments, Computer Programming Tools, Development Environment, System Programming, Software Development Tools, Program Development, Hardware Architecture, Systems Architecture, Eclipse (Software), Data Structures, Build Tools, C and C++, Programming Principles, Microarchitecture
★ 4.5 (304) · Intermediate · Specialization · 3 - 6 Months

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, User Interface (UI) 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, Persistence
★ 3.9 (1.6K) · Intermediate · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Design, Software Design Patterns, Object Oriented Programming (OOP), Software Design, Computer Programming, C (Programming Language), Algorithms, Memory Management, Graph Theory, Artificial Intelligence, Data Structures, Simulations
★ 4.5 (337) · Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Microarchitecture, Computer Architecture, Computer Systems, Hardware Architecture, Computer Hardware, Computer Engineering, Peripheral Devices, Data Storage, Display Devices, Systems Architecture, Memory Management, Computational Logic, OS Process Management
★ 4.8 (483) · Mixed · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Operating Systems, Application Development, Wireless Networks, Communication Systems, Hardware Architecture, OS Process Management, Network Protocols, C (Programming Language), Simulations, Network Performance Management, Memory Management
★ 4.1 (629) · Intermediate · Course · 1 - 4 Weeks