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: LangChain, Prompt Engineering, LangGraph, Prompt Patterns, Generative AI Agents, Generative AI, LLM Application, Generative Model Architectures, Prompt Engineering Tools, AI Workflows, Large Language Modeling, OpenAI, Image Analysis, Multimodal Prompts, Memory Management, Model Context Protocol, Python Programming, Agentic systems
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Java Programming, Spring Framework, Java, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Java Platform Enterprise Edition (J2EE), Programming Principles, Software Design, Computer Programming, Application Frameworks, Data Structures, Software Installation, Virtual Machines, Code Reusability, Web Development, Package and Software Management, Memory Management, Computational Logic, Development Environment
★ 4.6 (2.8K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Workflows, AI Orchestration, Generative AI Agents, Agentic Workflows, Agentic systems, LLM Application, Large Language Modeling, Artificial Intelligence, AI Personalization, Automation, Context Management, Memory Management
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Event-Driven Programming, Software Design Patterns, JavaScript Frameworks, Web Frameworks, Frontend Integration, Web Applications, Software Architecture, Dataflow, Programming Principles, Javascript, Data Pipelines, Data Mapping, Memory Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

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

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

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
★ 4.6 (3K) · Intermediate · Specialization · 1 - 3 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: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Software Architecture, Memory Management, Code Reusability, Software Design, Maintainability, Application Design, Programming Principles, Secure Coding, User Interface (UI) Design, Javascript
Beginner · Course · 3 - 6 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, Test Case, System Programming, Computer Programming, Data Structures, Software Development, C and C++, Software Engineering, Problem Solving, Software Design
★ 4.6 (7.5K) · Beginner · Specialization · 3 - 6 Months

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

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Configuration Management, Git (Version Control System), Version Control, Memory Management, Build Tools, Software Development Tools, C (Programming Language), Development Environment, Program Development, Code Review, Software Technical Review, Software Design, Debugging, Make.com
★ 4.5 (656) · Intermediate · Course · 1 - 4 Weeks