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.

Edureka
Skills you'll gain: Rust (Programming Language), Memory Management, Application Programming Interface (API), Server Side, Code Reusability, Back-End Web Development, System Programming, Web Frameworks, Web Development, Other Programming Languages, Web Servers, Software Documentation, Scalability, Integrated Development Environments, Build Tools, Data Analysis, Maintainability, Network Protocols, Application Development
★ 3.7 (28) · Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Campaign Planning, Communication Planning, Campaign Management, Strategic Communication, Advertising, Marketing Communications, Resource Allocation, Media Strategy, Brand Management, Integrated Marketing Communications, Brand Strategy, Earned Media, Communication Strategies, Owned Media, Public Relations, Shared Media, Paid media, Key Performance Indicators (KPIs), Research and Design, Market Research
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Integrations, Cloud Deployment, Application Deployment, Application Programming Interface (API), System Monitoring, Continuous Monitoring, Performance Tuning, Model Optimization, Memory Management
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Data Storage, Virtual Networking, Data Storage Technologies, vSphere DRS & HA, Networking Hardware, Virtual Local Area Network (VLAN), Computing Platforms, Infrastructure Architecture, IT Infrastructure, Network Infrastructure, Capacity Management, Data Centers, Memory Management, Network Switches, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Email Security, Wireless Networks, Mobile Security, Incident Response, Cybersecurity, Cyber Security Assessment, Personally Identifiable Information, Cyber Attacks, Firewall, General Networking, Threat Detection, Cyber Security Policies, Computer Security Awareness Training, Proxy Servers, Computer Security Incident Management, Network Security, Security Awareness, Threat Management, Cyber Risk, Social Media
★ 4.9 (66) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Generative AI Agents, Agentic systems, Generative AI, Prompt Engineering, Prompt Patterns, Systems Architecture, Tool Calling, Natural Language Processing, Context Management, Memory Management, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Programming Principles, Data Structures, Code Reusability, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, LLM Application, OpenAI, Agentic Workflows, Model Context Protocol, Generative AI Agents, Agentic systems, Decision Intelligence, Tool Calling, Prompt Engineering, ChatGPT, AI Integrations, Artificial Intelligence, Application Programming Interface (API), Context Management, Large Language Modeling, Python Programming, Memory Management, Development Environment, Application Deployment
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploit development, Exploitation techniques, Unix, Cyber Operations, Computer Security, Unix Commands, Unix Shell, System Programming, Linux, Debugging, Command-Line Interface, Linux Commands, Memory Management, Remote Access Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux, Ubuntu, Linux Administration, Linux Servers, General Networking, Memory Management, Linux Commands, OS Process Management, Firewall, File Systems, Bash (Scripting Language), Network Security, Command-Line Interface, File Management, Unix Shell, Operating Systems, Systems Administration, Virtualization, Virtual Environment, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), Code Reusability, Command-Line Interface, Memory Management, API Design, Data Pipelines, Secure Coding, Development Environment, Build Tools, Package and Software Management, Debugging, Software Installation
★ 3.5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, Model Deployment, AI Workflows, Agentic Workflows, Generative AI Agents, AI Integrations, Agentic systems, Artificial Intelligence, Prompt Engineering, Generative AI, Product Support, Memory Management
Advanced · Course · 1 - 4 Weeks