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

Skills you'll gain: Authorization (Computing), Devops Tools, Proxy Servers, Identity and Access Management, Disaster Recovery, Configuration Management, Cryptographic Protocols, Data Centers, Distributed Computing, Security Controls, Service Management, Data Store, Authentications, Encryption, Scalability
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

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: 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: 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: Apple Xcode, Apple iOS, Debugging, iOS Development, Performance Tuning, Integrated Development Environments, Swift Programming, Knowledge of Apple Software, Memory Management, Mobile Development Tools, Software Testing, Application Performance Management, UI Components, User Interface (UI)
Intermediate · 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: Object Oriented Design, Development Environment, Code Reusability, Data Management, Scalability, Performance Tuning, 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: Cryptography, Encryption, Android Development, Key Management, Exploit development, Android (Operating System), Secure Coding, Mobile Security, Data Security, Application Security, Data Loss Prevention, Network Security, Exploitation techniques, Memory Management, File Systems
Mixed · Course · 1 - 4 Weeks

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