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

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

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
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

Amazon Web Services
Skills you'll gain: Generative AI Agents, Agentic Workflows, Context Engineering, LLM Application, Model Context Protocol, Agentic systems, Tool Calling, Generative AI, Context Management, Application Deployment, Cloud Deployment, Model Evaluation, Memory Management, Data Persistence
Beginner · Course · 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, 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: 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

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

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
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
★ 4.6 (3.1K) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Social Media Strategy, Content Marketing, Social Media Content, Social Media Marketing, Shared Media, Consumer Behaviour, Driving engagement, Marketing Communications, Content Creation, Influencing, Social Media Campaigns, Persuasive Communication, Advertising, Marketing, Earned Media, Marketing Psychology, Promotional Strategies, Decision Making
★ 4.8 (5.3K) · Mixed · Course · 1 - 4 Weeks

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