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: 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: Object Oriented Design, Development Environment, Code Reusability, Data Management, Scalability, Performance Tuning, Memory Management
Intermediate · Course · 1 - 3 Months

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: Other Programming Languages, Memory Management
Beginner · 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: 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

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Google Cloud Platform, Proxy Servers, Network Support, Server Side
Beginner · Project · Less Than 2 Hours

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: 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: Data Persistence, Virtual Networking, Proxy Servers, Network Monitoring, Key Management, Disaster Recovery
Advanced · Course · 3 - 6 Months

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: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Cloud Security, Firewall, Network Monitoring, Infrastructure Security, Google Cloud Platform, Network Troubleshooting, Intrusion Detection and Prevention, Identity and Access Management, Security Controls, Threat Detection, Continuous Monitoring, Cyber Security Policies, Proxy Servers
Intermediate · Course · 1 - 3 Months