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: System Programming, Memory Management, Performance Tuning, OS Process Management, Operating Systems, Linux Administration, Linux, Real-Time Operating Systems, System Software, Operating System Administration, Linux Servers, Linux Commands, C (Programming Language), System Configuration, Hardware Architecture, Systems Analysis, Resource Management, Debugging
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Go (Programming Language), Computer Programming Tools, Software Development Tools, Integrated Development Environments, Programming Principles, Development Environment, Computer Programming, System Programming, Command-Line Interface, Computational Logic, Data Integrity, Software Installation, Memory Management
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Algorithms, C (Programming Language), Programming Principles, Computer Programming, Graph Theory, Code Reusability, Memory Management, Data Structures, File I/O
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Object Oriented Programming (OOP), C (Programming Language), Python Programming, Data Import/Export, Memory Management, File I/O, Computational Logic, Network Protocols, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Programming, Linux Administration, Embedded Software, Linux, System Software, Linux Commands, Debugging, Linux Servers, Operating Systems, OS Process Management, Microarchitecture, Scalability, Memory Management, C (Programming Language), Hardware Architecture, Performance Tuning, Software Design, Data Integrity, Data Sharing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Maintainability, Hardening, Java Programming, Software Design Patterns, Application Security, Software Design, Java, Software Architecture, Memory Management, Object Oriented Design, API Design, Code Reusability, Software Development, Object Oriented Programming (OOP), Functional Design, Application Programming Interface (API), Interoperability, System Programming, C (Programming Language)
Advanced · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Go (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C (Programming Language), Python Programming, Data Import/Export, Algorithms, Memory Management, OS Process Management, Data Structures, System Programming, File I/O, Computational Logic, Network Protocols, Package and Software Management, Data Sharing
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, File I/O, Memory Management, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Test Planning, Simulations, System Programming, Computer Programming, Data Structures, Software Development, C and C++, Software Engineering, Command-Line Interface, Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java, Integrated Development Environments, Object Oriented Design, Java Programming, Development Environment, Maintainability, Computer Programming Tools, Software Development Tools, Software Design, Data Structures, Program Development, Data Persistence, Software Architecture, Debugging, Memory Management, Code Reusability, Programming Principles, File Management
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Debugging, Technical Communication, Network Troubleshooting, Performance Tuning, Problem Management, Technical Documentation, System Monitoring, Capacity Management, Incident Management, Memory Management, Continuous Integration, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, System Programming, Linux, Embedded Software, Linux Servers, Linux Commands, System Software, System Configuration, Operating Systems, Debugging, Memory Management, Embedded Systems, Cross Platform Development, Open Source Technology, Secure Coding, Configuration Management, C (Programming Language), Hardening, Program Development, Development Environment
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Secure Coding, Java Programming, Maintainability, Hardening, Software Design Patterns, Java, Application Security, Software Design, Data Structures, Object Oriented Design, Software Architecture, Performance Tuning, Data-oriented programming, Memory Management, API Design, Code Reusability, Object Oriented Programming (OOP), Web Servers, Software Development, Virtualization
Intermediate · Specialization · 3 - 6 Months