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: Vulnerability Scanning, Vulnerability Assessments, Penetration Testing, Security Testing, Network Security, Threat Detection, Network Monitoring, Network Analysis, Operating Systems
★ 4.5 (82) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, AI powered creativity, Generative AI, Blogs, Search Engine Optimization, Content Development and Management, Content Strategy, Content Creation, Content Optimization, Keyword Research, ChatGPT
★ 4.8 (24) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: OS Process Management, Operating Systems, C (Programming Language), Memory Management, System Programming, Virtualization, System Software, Virtualization and Virtual Machines, C and C++, Programming Principles, Application Programming Interface (API)
★ 4.5 (185) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: ISO/IEC 27001, Risk Management, Risk Management Framework, Personally Identifiable Information, Security Controls, System Implementation, Security Awareness, Information Privacy, Risk Mitigation, Security Management, Security Strategy
★ 4.7 (57) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Knowledge of Apple Software, Knowledge of Apple Hardware, Network Planning And Design, Wireless Networks, Azure Active Directory, Application Lifecycle Management, Cloud-Based Integration, Configuration Management, Encryption
Intermediate · Course · 3 - 6 Months
Skills you'll gain: Vibrations, Engineering Analysis, Finite Element Methods, Failure Analysis, Mechanical Design, Structural Analysis, Simulation and Simulation Software, Mechanical Engineering, Simulations, Mathematical Modeling, Numerical Analysis, Mechanics, Business Modeling, Technical Analysis, Technical Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Database Application, Cloud Security, Databases, Database Management, Data Management, Data Access, Security Controls, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Application Development, Debugging, Application Deployment, Program Development, Computer Graphics, Visualization (Computer Graphics), Maintainability, Graphics Software, Development Environment, C++ (Programming Language), Computer Graphic Techniques, Application Lifecycle Management, Software Development Life Cycle, Context Management, Software Architecture, Code Reusability, Memory Management
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon S3, Network Planning And Design, Identity and Access Management, Cloud Solutions, Cloud Management, Cloud Computing, Cloud Computing Architecture, Public Cloud, User Provisioning, Network Architecture, Virtual Networking, Cloud Infrastructure, Cloud Services, User Accounts, Solution Architecture
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Personalization, Anomaly Detection, Microsoft Azure, Computer Vision, Image Analysis, Artificial Intelligence, Natural Language Processing, Cloud API, Application Programming Interface (API), Model Training, Analysis, Web Services
★ 4.8 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Unix Shell, Command-Line Interface, User Provisioning, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Operating System Administration, Authorization (Computing), Shell Script, File Management, Data Storage
★ 4.4 (90) · Beginner · Course · 1 - 4 Weeks