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.

Alex Genadinik
Skills you'll gain: Press Releases, Earned Media, Media Relations, Copywriting, Media and Communications, Public Relations, Media Strategy, Marketing and Public Relations, Promotional Strategies, Product Promotion, Brand Awareness, Case Studies, Professional Networking
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Responsive Web Design, Bootstrap (Front-End Framework), Node.JS, Back-End Web Development, Unit Testing, Server Side, Full-Stack Web Development, Web Design, Web Components, Frontend Performance, Front-End Web Development, Frontend Integration, Command-Line Interface, Application Programming Interface (API), API Design, Dataflow, Memory Management, E-Commerce, Data Sharing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, Data Maintenance, SQL, Linux Administration, System Monitoring, Operating System Administration, Linux, Database Management, Linux Commands, File I/O, Data Migration, Database Architecture and Administration, Performance Testing, Data Storage Technologies, Scenario Testing, Data Storage, Memory Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Software Development, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Data Structures, Code Reusability, Package and Software Management, Memory Management, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, Database Application, Cloud Deployment, Google Cloud Platform, Cloud Applications, PostgreSQL, Containerization, Data Access, User Accounts, Proxy Servers, User Provisioning, Cloud Computing
Intermediate · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: vSphere DRS & HA, vCenter Server, vSphere Networking and Storage, Virtual Machines, Storage vMotion, vCenter Server Management, Virtualization and Virtual Machines, Performance Tuning, Virtualization, Memory Management, Capacity Management, System Monitoring, Data Migration
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: AI Orchestration, Agentic Workflows, AI Workflows, Generative AI Agents, Tool Calling, Agentic systems, Model Deployment, AI Integrations, Enterprise Architecture, Prompt Engineering Tools, Context Engineering, Artificial Intelligence, Context Management, Prompt Engineering, Prompt Patterns, Debugging, Verification And Validation, Retrieval-Augmented Generation, Large Language Modeling, Memory Management
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Object Oriented Design, Rust (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Code Reusability, API Design, Theoretical Computer Science, Python Programming, Verification And Validation, System Programming, Secure Coding, Performance Tuning, Performance Testing, Algorithms, Memory Management
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Performance Tuning, Java, Memory Management, Computational Thinking, Algorithms, Java Programming, Data Structures, Scalability, Software Design Patterns, Programming Principles, Enterprise Architecture, Debugging, Management Consulting, Mitigation, Project Implementation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, User Interface (UI), Scripting, UI Components, Game Design, User Interface (UI) Design, Animation and Game Design, Interactive Design, Performance Tuning, User Interface and User Experience (UI/UX) Design, Video Game Development, Artificial Intelligence, Data Structures, C# (Programming Language), Animations, Model Optimization, Virtual Reality, Event-Driven Programming, Memory Management
Intermediate · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Social Media Strategy, Digital Media Strategy, Paid media, Social Media Marketing, Social Media, Social Media Management, Social Media Content, Service Recovery, Social Media Analytics, Marketing Communications, Digital Marketing, Employee Engagement, Earned Media, Marketing, Consumer Behaviour, Customer Complaint Resolution, Brand Management, Brand Loyalty, Drive Engagement, Content Creation
Beginner · Course · 3 - 6 Months