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: Prometheus (Software), Kubernetes, Grafana, Scalability, Capacity Management, System Monitoring, Performance Tuning, Memory Management, Dashboard Creation, Query Languages, Distributed Computing, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Data Modeling, Python Programming, Object Oriented Programming (OOP), Data Persistence, Context Management, Data Structures, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Memory Management, C++ (Programming Language), Objective-C (Programming Language), System Programming, Object Oriented Programming (OOP), Data Sharing, File I/O, Debugging, File Management
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, Maintainability, C (Programming Language), System Programming, Functional Design, Secure Coding, Software Architecture, Cross Platform Development, Memory Management, Interoperability, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Other Programming Languages, Memory Management
Beginner · Course · 1 - 4 Weeks
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: Swift Programming, iOS Development, Apple iOS, Application Development, Mobile Development, Software Architecture, Secure Coding, Maintainability, Software Design Patterns, Code Reusability, Data Validation, User Interface (UI), Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Testing, Performance Tuning, Performance Stress Testing, Model Optimization, Algorithms, Performance Analysis, Performance Metric, Memory Management, Theoretical Computer Science
Intermediate · Course · 1 - 4 Weeks

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: Interactive Design, File I/O, Computer Graphic Techniques, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Memory Management, C++ (Programming Language), C (Programming Language), Objective-C (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Debugging
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