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.

Duke University
Skills you'll gain: C (Programming Language), Data Structures, C and C++, Programming Principles, Program Development, Algorithms, Memory Management, Computer Programming, Data Access
★ 4.3 (351) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C and C++, Programming Principles, Data Structures, Secure Coding, Algorithms, Software Design, Application Security, Other Programming Languages, System Programming, Python Programming, Computer Architecture, Computer Programming, Java, Performance Tuning, Numerical Analysis
★ 4.5 (255) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Application Design, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
★ 4.6 (256) · Beginner · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: Nginx, Proxy Servers, Hardening, Web Servers, Performance Tuning, Network Monitoring, Infrastructure Security, Network Performance Management, Linux Administration, Authentications, Security Controls, Application Performance Management, Network Troubleshooting, Network Security, System Monitoring, System Configuration, Load Balancing, Cybersecurity, DevOps, Computer Networking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Nginx, API Gateway, Kubernetes, Linux Administration, Proxy Servers, Web Servers, Cloud-Native Computing, Performance Tuning, Network Routing, Load Balancing, Linux Commands, Infrastructure Security, Security Controls, Network Troubleshooting, Public Key Infrastructure, Network Security, Role-Based Access Control (RBAC), DevOps, System Configuration, Computer Networking
Beginner · Specialization · 3 - 6 Months
Dartmouth College
Skills you'll gain: Memory Management, Command-Line Interface, C (Programming Language), Linux Commands, Linux, Computer Programming Tools, Embedded Systems, File I/O, Embedded Software, Software Visualization, Programming Principles, Computer Engineering, C and C++, Linux Servers, Algorithms, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
★ 4.6 (453) · Beginner · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: API Gateway, Kubernetes, Nginx, Cloud-Native Computing, Software-Defined Networking, Proxy Servers, Web Servers, Public Key Infrastructure, DevOps, Continuous Deployment, Network Troubleshooting, Role-Based Access Control (RBAC), Infrastructure Security, Computer Networking, Application Deployment, Network Security, Security Controls, System Configuration, Security Software, Verification And Validation
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Load Balancing, Linux Administration, Linux Servers, Web Servers, Firewall, Linux, Network Administration, Network Routing, Proxy Servers, Server Administration, Application Deployment, System Configuration, Linux Commands, Event-Driven Programming, Web Applications, Computer Networking, Network Security, Servers, Configuration Management, DevOps
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), C and C++, Object Oriented Design, Computer Programming, Programming Principles, Code Reusability, Memory Management
★ 4.7 (403) · 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 (537) · Beginner · Course · 1 - 4 Weeks

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
★ 4.8 (2.7K) · Beginner · Specialization · 3 - 6 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