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: C and C++, File I/O, Memory Management, Code Reusability, Computer Programming Tools, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Algorithms, Memory Management, Performance Testing, Resource Utilization, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Role-Based Access Control (RBAC), Data Persistence, Cloud Management, Continuous Deployment, Application Lifecycle Management, Cloud Deployment, Proxy Servers, Capacity Management, Application Deployment, Network Monitoring, CI/CD, Key Management, Software Versioning, Network Security, API Gateway, Identity and Access Management, Model Deployment, Security Controls, Disaster Recovery
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Memory Management, Scalability, Performance Tuning, .NET Framework, C# (Programming Language), System Programming, C (Programming Language), Debugging, Data Structures, Software Engineering, Interoperability
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Computer Hardware, Computer Architecture, Networking Hardware, Hardware Architecture, Computer Systems, Information Technology, Data Storage, Hardware Troubleshooting, General Networking, Data Storage Technologies, Computer Networking, Mainframe Computing, Peripheral Devices, Wireless Networks, Infrastructure Security, Business Technologies, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Remote Access Systems, Firewall, Virtual Machines, Virtual Networking, Cloud Hosting, TCP/IP, Identity and Access Management, Proxy Servers
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Code Reusability, Software Architecture, Object Oriented Design, Data-oriented programming, C# (Programming Language), Memory Management, Artificial Intelligence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Nginx, Load Balancing, Performance Tuning, Scalability, Web Servers, Proxy Servers, Web Applications, Security Controls, Authentications, Back-End Web Development, Server Administration, Application Servers, Servers, Linux Administration, Software Installation
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Performance Tuning, Java, Memory Management, Computational Thinking, Algorithms, Java Programming, Data Structures, Scalability, Programming Principles, Debugging, Management Consulting, Mitigation, Project Implementation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Redis, Data Persistence, Data Store, Data Storage Technologies, Performance Tuning, Transaction Processing, Operational Databases, Data Integrity, Server Administration, Servers, Scalability, Scripting Languages, Software Architecture, Memory Management, Scripting, Key Management, Configuration Management, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Model Optimization, Performance Tuning, Memory Management, Docker (Software), Java, Java Programming, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Generative AI Agents, Agentic Workflows, LLM Application, Data Persistence, Agentic systems, Memory Management, AI Personalization, Artificial Intelligence, Data Storage, Data Storage Technologies, Context Management
Intermediate · Course · 1 - 3 Months