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: Embedded Systems, Embedded Software, C (Programming Language), Code Reusability, Memory Management, C and C++, Programming Principles, Data Structures, Computer Programming Tools, Program Development, Computer Programming, Development Environment
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Linux Administration, Containerization, Linux, Memory Management, Linux Commands, OS Process Management, File Systems, System Programming, Operating Systems, Data Storage, Cloud Storage, Data Storage Technologies, General Networking, Network Administration, Performance Tuning, System Configuration, C (Programming Language), Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Script Development, Performance Testing, Performance Stress Testing, Test Tools, Verification And Validation, Software Testing, Test Data, Data Validation, Scripting, Application Performance Management, Scenario Testing, Proxy Servers, Distributed Computing, Software Installation, System Monitoring
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Embedded Systems, Embedded Software, Memory Management, C (Programming Language), Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Real-Time Operating Systems, Embedded Software, Software Architecture, Code Reusability, Embedded Systems, Memory Management, Systems Architecture, Software Design, Software Design Patterns, Performance Tuning, Secure Coding, Scalability, Data Sharing, OS Process Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, LLM Application, AI Workflows, AI Orchestration, No-Code Development, Retrieval-Augmented Generation, Memory Management, Agentic systems, Application Programming Interface (API), Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unified Modeling Language, Software Design Patterns, C++ (Programming Language), Software Architecture, Object Oriented Design, Software Design, Code Reusability, Object Oriented Programming (OOP), Maintainability, Programming Principles, Diagram Design, API Design, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), OpenAI API, Package and Software Management, Memory Management, Development Environment, Large Language Modeling, Unit Testing, Software Documentation, Computer Programming, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Web Development, Performance Testing, System Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: z/OS, System Software, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Mainframe Technologies, Operating System Administration, Performance Tuning, System Configuration, OS Process Management, Memory Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, File I/O, Context Management, Software Architecture, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Package and Software Management, Software Installation, Memory Management, Build Tools, Programming Principles, Integrated Development Environments
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media, Social Media Content, Media Planning, Social Media Marketing, Media Strategy, Social Media Management, Communication Planning, Strategic Communication, Paid media, Content Strategy, Digital Media Strategy, Earned Media, Owned Media, Content Marketing, Brand Strategy, Content Performance Analysis, Social Media Analytics, Content Creation, Brand Management
Intermediate · Course · 1 - 4 Weeks