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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, C++ (Programming Language), Data Structures, Computer Programming, Memory Management, Code Reusability, Program Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Application Design, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Microarchitecture, Computer Architecture, Computer Systems, Hardware Architecture, Computer Hardware, Computer Engineering, Peripheral Devices, Data Storage, Display Devices, Systems Architecture, Memory Management, Computational Logic, OS Process Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Session Initiation Protocols, Node.JS, File Transfer Protocol (FTP), Debugging, Web Applications, Data Import/Export, File I/O, Frontend Performance, Scalability, Verification And Validation, Full-Stack Web Development, Data Validation, JSON, Real Time Data, Event-Driven Programming, Memory Management, Performance Tuning, Server Side, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Nginx, API Gateway, Kubernetes, Linux Administration, Proxy Servers, Web Servers, Cloud-Native Computing, Performance Tuning, Network Routing, Load Balancing, Linux Commands, Infrastructure Security, Security Controls, Network Troubleshooting, Public Key Infrastructure, Network Security, Role-Based Access Control (RBAC), DevOps, System Configuration, Computer Networking
Beginner · Specialization · 3 - 6 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

Scrimba
Skills you'll gain: Model Context Protocol, Prompt Engineering, Retrieval-Augmented Generation, LangChain, OpenAI API, Prompt Patterns, Embeddings, Image Analysis, Responsible AI, AI Workflows, OpenAI, LLM Application, AI Integrations, Cloud Deployment, Cloud Applications, Multimodal Prompts, Memory Management, Hugging Face, Vector Databases, Software Engineering
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C and C++, Programming Principles, Data Structures, Secure Coding, Algorithms, Software Design, Application Security, Other Programming Languages, System Programming, Python Programming, Computer Architecture, Computer Programming, Java, Performance Tuning, Unix
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Memory Management, Development Environment, Programming Principles, Computer Programming Tools, Computer Programming, Integrated Development Environments, Data Structures, Software Installation
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Software Design, Programming Principles, Program Development, Software Documentation, Data Structures, Computational Logic, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Authentications, Role-Based Access Control (RBAC), Enterprise Security, Multi-Tenant Cloud Environments, Key Management, Security Controls, OAuth, Identity and Access Management, Authorization (Computing), Data Security, Encryption, User Accounts, YAML, Proxy Servers
Advanced · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Load Balancing, Linux Administration, Linux Servers, Web Servers, Firewall, Linux, Network Administration, Network Routing, Proxy Servers, Server Administration, Application Deployment, System Configuration, Linux Commands, Event-Driven Programming, Web Applications, Computer Networking, Network Security, Servers, Configuration Management, DevOps
Beginner · Course · 1 - 4 Weeks